1. Nanobiocatalysis Laboratory
Nanobiocatalysis Laboratory is demonstrating unprecedented successes in stabilizing enzyme activities via original approaches of enzyme coatings (ECs), nanoscale enzyme reactors (NERs) and single enzyme nanoparticles (SENs). These approaches are developed based on the introduction of nanomaterials, and corresponding chemical conjugation strategies, for the immobilization of enzymes. Our studies have revealed that once enzymes are immobilized and stabilized in the form of nanobiocatalysis, they exhibit long lifetime under harsh storage conditions and can be easily reused for multiple times. Based on its stability and reusability, we are demonstrating successful applications of nanobiocatalysis in various fields including biofuel cells, biosensors, trypsin digestions, ELISA, antifouling and CO2 conversion.
Homepage : http://nbc.korea.ac.kr
- For more information, contact : Prof. Jungbae Kim
- Tel : 82-2-3290-4850
- Email : email@example.com
2. Bioprocess Engineering Laboratory
In 1997, Bioprocess Engineering Laboratory (BPEL) was established by Prof. Seung Wook Kim of Chemical and Biological Engineering Department, Korea University. With a long history, our laboratory has always revolved around the frontier researches of bioprocess engineering. Nowadays, the major research topics of BPEL cover all aspects of bioprocess engineering, which include metabolic engineering, bioenergy production, enzymatic fuel cell and development of nano-sensor. As a laboratory member of Brain Korea 21, we are conducting various research projects which focus on strain development, biomass pretreatment, biorefinery conversion, high performance enzymatic fuel cell and biosensors. The advance facilities provide all-round supporting to students and research professors on their scientific studies. BPEL encourages every researcher to study bold in innovation with conscientious scholarship.
Grand achievements of biotechnologies have been acquired by BPEL in last decades: advance immobilization of enzymes/cells, strain mutant with genetic engineering, and statistical optimization of bioconversion process for instance. More than 200 research SCI papers have been published in international journals. Over 60 patents have been achieved by BPEL and some of them have already successfully applied in industry. The open-platform of research life style is offered by BPEL with multiple cultures, and new ideas are always sparkled in this confluent academic atmosphere. With the mutual culture of our laboratory, Prof. Kim and the seniors lead students to create new history of BPEL with bright perspective.
Homepage : http://prosys.korea.ac.kr/lab/bio
- For more information, contact : Prof. Seung Wook Kim
- Tel : 82-2-3290-3300
- Email : firstname.lastname@example.org
3. Biomolecular Engineering Laboratory
The Biomolecular Engineering Laboratory, founded by professor Jeewon Lee, has focused on biomolecular process engineering such as LFA-based diagnostics, In vivo imaging, Photothermal therapy of cancer, and Synthetic pro-peptide design. We reported a variety of nanoparticle proteins such as cancer targeting peptides, specific disease detection particles, fusion peptides for enhancement of protein secretion in eukaryotes, and nano-vaccines for multiple precaution through one injection.
In addition, we constructed new platforms of the nanoparticle which have characteristics, non-toxicity in vivo, intensive structure, and reasonable price. Currently, we also studies on immunotherapy, nano-enzyme for high value material production, and gene silencing cancer therapy. Finally, these protein nano particles are developed for application in pharmaceutical and biochemical industries.
Homepage : http://bmel.korea.ac.kr
- For more information, contact : Prof. Jeewon Lee
- Tel : 82-2-3290-3304
- Email : email@example.com
4. Systems Bioengineering Laboratory
Our laboratory has interests in the metabolic engineering for production of fuels and chemicals from biomass. In order to construct the desirable microbial strains that can produce industrially valuable products in cost effective way, our laboratory is equipped with experimental tools for engineering living organisms. First, we are developing gene cloning, deletion, and genome editing tools and are applying those techniques for achieving maximal effectiveness in the microbial system. Second, we are trying to develop synthetic biology tools, providing novel biological components or modules to build artificial genetic circuits inside the strain. Also, we are equipped with metabolomics and fluxomics, systems biology approaches to understand the chemical reactions in the living organisms. In our lab, we are trying to design and engineer living microorganism for industrial purpose with the synthetic and systems biology approaches.
- For more information, contact : Prof. Min-Kyu Oh
- Tel : 82-2-3290-3308
- Email : firstname.lastname@example.org
5. Nanobiotechnology Laboratory
The Nanobiotechnology Laboratory, founded by Professor Sang Jun Sim, is conducting research on various nano-biotechnology techniques focused on early diagnosis and environmental issues.
The research team is currently promoting various projects, which can be applied to various disease models, including cancers and Alzheimer’s disease. Such projects include utilizing inorganic substances such as gold nanoparticles and polyacetylene to actualize molecular imaging technology; developing a next generation nano-biosensor system, which can be commercialized; developing LSPR and Raman darkfield microscope with a supersensitive detection technology along with surface reforming technology; applying various receptor technologies; and enhancing imagery using an amplifier.
Also, our research interest includes the reduction of CO2 in the atmosphere using microalgae for preventing global warming. We are developing poly(dimethylsiloxane) (PDMS)-based integrated microfluidic platforms to perform high-throughput screening of the excellent mutants and multiple steps in sample preparation on a single device for efficient and quantitative analysis of lipid from various microalgal strains. We are also constructing CO2 reduction biological process using microalgae with highly efficient photobioreactors. These approaches will provide novel and efficient solutions for the improvement of photosynthetic productivity of microalgae, which is essential for commercialization of biological conversion of CO2 into microalgal biomass and products.
Homepage : http://nanobiotec.korea.ac.kr
- For more information, contact : Prof. Sang Jun Sim
- Tel : 82-2-3290-4853
- Email : email@example.com
ET (Energy and Environmental Technology)
1. Molecular Design Laboratory
Dr Kang’s primary research area is on the molecular thermodynamics and molecular modeling. He joined the project for developing KDB (Korea thermophysical properties Data Bank) from 1995 to 1997 and he is also responsible for later maintenance and further development of KDB. From 2007, he became general manager of Data Center for Thermophysical Properties which is supported by Korean Government. Based on thermodynamics and physical properties database, MDL(Molecular Design Laboratory) extends research fields in various industrial applications.
- Crystallization Processes
- Liquid Organic Hydrogen Carrier (LOHC)
- Properties of CO2 for CCS Processes
- Collaboration with industry in the field of thermodynamics and its applications
Homepage : http://cbe.korea.ac.kr/labs/jwkang/main.html
- For more information, contact : Prof. Jeong Won Kang
- Tel : 82-2-3290-3305
- Email : firstname.lastname@example.org
2. Reaction Engineering and Microsystem laboratory
The reaction engineering & microsystem laboratory is founded by professor Kwang Ho Song. Micro-reaction technology is main research topic in microsystem laboratory. In particular, studies are being conducted on the design of an optimal micro-reactor and micro-mixer for various reactions. Micro-reactor has tremendous benefits comparing with common type Batch reactor and is a promising concept in the future.
- Microreaction Technology & Microreactor Design
- Continuous Flow Microreactor Technology
- Gas-Liquid Dispersion using Micromixer
- Micromixer-polymer particles
- Microreactor – Transparent Polymers
- Process Intensification
- Fuel Cells
Homepage : http://microche.korea.ac.kr
- For more information, contact : Prof. Kwang Ho Song
- Tel : 82-2-3290-3307
- Email : email@example.com
3. Catalysis and Reaction Engineering Laboratory
Catalysis and reaction engineering group, led by Prof. Kwan-Young Lee, studies a wide range of applications of heterogeneous catalysis for production of high-value chemicals, energy conversion, and environmental protection. Specifically, our current research interests include studying catalytic routes and materials for 1) extra-heavy crude oil upgrading to address impending lighter oil exhaustion and global energy crisis, 2) methane conversion into BTX (benzene-toluene-xylene), high-value petrochemicals used in a variety of applications and in large volumes, 3) direct synthesis of hydrogen peroxide from hydrogen and oxygen, which is a green oxidant widely used in industrial and household sectors alike, and 4) combustion of PM in vehicle exhaust emissions to reduce air pollution and protect the ever-threatened environment of the 21st century.
Unlike precedent research on catalyst, current research trend in catalysis relies heavily on density functional theory (DFT) calculations that allow for investigation of fundamental mechanisms of catalytic behaviors and nanoparticle synthesis technology that draw out and employ different physical and chemical properties of catalyst materials in nanoscale. By taking advantage of the DFT calculations and metal nanoparticle encapsulation techniques, we aim to lead and conduct advanced research on heterogeneous catalysis.
Homepage : http://catalysis.korea.ac.kr
- For more information, contact : Prof. Kwan-Young Lee
- Tel : 82-2-3290-3299
- Email : firstname.lastname@example.org
4. Process System Engineering Laboratory
The Process System Engineering Laboratory was founded in 1994 at the department of chemical and biological engineering, Korea University. Process system engineering is the study about systematic methodology for chemical process design, process control and optimization. Our researches are based on the unification of the field work and the theoretical estimation of physical and chemical phenomena. We analyze the relationship between the theory and the actual process, specify the process system and establish the mathematical model, optimize and control the system.
Process modeling and system analysis is essential to improve product quality and save the energy and cost by simulating and optimizing of system. Our current activities focus on the desalination system modeling and optimization, the hybrid osmosis system development and the pure material extraction system design.
Homepage : http://pse.korea.ac.kr
- For more information, contact : Prof. Dae Ryook Yang
- Tel : 82-2-3290-3298
- Email : email@example.com
5. Energy Materials and Processes Laboratory
The Energy Materials and Processes Laboratory (EMPL), founded by Professor Ki Bong Lee in 2009, has worked on separation technologies such as adsorption, membrane separation, solvent extraction, etc. for the application to energy and environmental fields. Particularly, EMPL has interest in novel separation-enhanced reaction processes where separation and reaction can be carried out simultaneously in a single unit, resulting in overcoming of thermodynamic limitation and the development of compact and economical processes.
EMPL has focused on three topics: hydrogen production, greenhouse gas mitigation, and heavy oil upgrading. In the hydrogen research, sorption-enhanced reaction processes, where hydrogen production reaction and by-product CO2 removal by sorption are performed simultaneously, have been developed. For greenhouse gas mitigation, high-temperature CO2 sorbents such as hydrotalcite, double salt, and sodium zirconate are newly developed. Also, new porous carbon materials are developed from various precursors for adsorption of CO2 and non-CO2 gases like CF4. Heavy oil upgrading studies are targeting efficient utilization of oil sand bitumen and vacuum residues. Among many upgrading processes, solvent deasphalting and fast pyrolysis processes are studied. Recently, studies on adsorption of NOx, sulfur compounds, and Cu ions have started.
Homepage : https://www.kuempl.com
- For more information, contact : Prof. Ki Bong Lee
- Tel : 82-2-3290-4851
- Email : firstname.lastname@example.org
6. Sustainable & Environmental Materials Lab
The research of our lab is focused on developing advanced organic or hybrid materials for securing clean water and environment and saving energy in a sustainable manner. In particular, we are devising novel nanoscale architecturing methods and employing them to create thin films and membrane materials with high performance, excellent durability and unique functions along with elucidating the underlying fundamentals of material structure-property-performance relationship. Our research topics include the fabrication of membranes for water purification, desalination, biochemical separation and gas separation, design of antifouling and self-cleaning surfaces and characterization of nanoscale and interfacial properties.
Homepage : http://omsl.korea.ac.kr
- For more information, contact : Prof. Jung-Hyun Lee
- Tel : 82-2-3290-3293
- Email : email@example.com
7. Inorganic Materials for Separation and Reaction Laboratory
Inorganic Materials for Separation and Reaction (IMSR) group is carrying out researches about membranes and catalysts. Our overarching goal is to make defect-free and highly selective membranes with good reproducibility and to synthesize highly selective catalysts with great conversion and stability. Our current researches focus on understanding the working mechanisms induced by the structure of materials and achieving desired performances of membranes, adsorbents, and catalysts.
Researches on inorganic membrane;
- Elucidation of crystal growth
- Organic & inorganic complex membranes
- Fabrication of oriented membranes
- Scale up of membranes for industrial-level gas and/or liquid separation process
Researches on inorganic adsorbents and catalysts;
- Highly stable adsorbents with large capacity
- Control of reaction rates in hierarchically structured catalyst
- Modification of catalyst’s chemical and physical characteristics for improving catalytic performance
- Mass production of catalysts for industrial application
Homepage : http://imsr.korea.ac.kr
- For more information, contact : Prof. Jungkyu Choi
- Tel : 82-2-3290-4854
- Email : firstname.lastname@example.org
8. Nano Energy Convergence System Laboratory
The research activity of our group is focused on the structure and morphology design of nano-energy materials for the application to the future energy convergence systems. Especially, we have been developing the multiscale nano-building blocks including polymers, ceramics, metals, and semi-conductors to efficiently manipulate the various types of energy because such nanomaterials can exhibit prominent electronic, optical, and catalytic properties. Currently we are studying next generation solar energy conversion and storage systems.
Research Area :
- Next-generation solar cells : Perovskite solar cells, QD solar cells, Inorganic solar cells
- Optoelectronic devices : Perovskite LEDs, Photodetectors
- Nano energy convergence system : Thermoelectric, Piezoelectric, Triboelectric
- Synthesis of advanced functional nanomaterials
- Design and synthesis of nano energy materials
- Colloidal photonic crystals
Homepage : http://necs.korea.ac.kr/
- For more information, contact : Prof. Sang Hyuk Im
- Tel : 82-2-3290-3295
- Email : email@example.com
9. Electrochemical Energy Laboratory
The Electrochemical Energy Laboratory, under the supervision of Professor Seung-Ho Yu, focuses on designing and developing new materials at the nanoscale level to be applied to electrochemical devices. These include but are not restrained to electrodes in secondary batteries (lithium-ion, lithium-metal, lithium-sulfur, and sodium-ion batteries) and electrocatalysts for the oxygen reduction reaction in fuel cells. We are also interested in mechanistic studies of rechargeable battery electrodes using operando synchrotron X-ray based methods (such as X-ray phase contrast imaging, X-ray absorption spectroscopy and X-ray diffraction and so on), and in-situ/cryogenic electron microscopy.
Homepage : http://yu.korea.ac.kr
- For more information, contact : Prof. Seung-Ho Yu
- Tel : 82-2-3290-3297
- Email : firstname.lastname@example.org
1. Frontier Interfaces Group Laboratory
Research interests of Ahn Group include nano-to-macro scale molecular and supramolecular assemblies, surface engineering, and nanobiotechnology.
Toward fundamental knowledge, we investigate molecular-level interaction of chemical and biological materials. Both nanoscale experiments and dynamic simulations are valuable tools of our investigation. The role of interfacial water molecules in chemo-bio interactions is one of the key issues in our laboratory.
In applied regime, we develop rapid on-site detection devices for chemicals of environmental and safety issues, and ultra-sensitive label-free diagnostic sensors for DNAs, proteins, and cells. Our devotion aims at creation of essential technologies for the construction of internet-of-sensors. A recent example is to enable OLED materials to function biological recognition, for the first time.
Our group’s scientific contributions have been published in high-profile journals including Science, J. Am. Chem. Soc., Adv. Mater., Acc. Chem. Res., Nat. Commun., and others, as well as in international intellectual properties.
Our Research area is as follows:
- Interfacial Engineering
- Self- & Kinetic-Assembled Architectures
- Optoelectronic Conjugated Supramolecules for Nanosensing
- Biorecognitive OLED Materials
- Inkjet-Printing Technology for Single-Object Assay
- Engineering for Translational Nanomedicine
- Antifreeze DNA-Based Nanostructures
- Nanoscale Dynamics Simulations
Homepage : http://ahngroup.korea.ac.kr
- For more information, contact : Prof. Dong June Ahn
- Tel : 82-2-3290-3301
- Email : email@example.com
2. Surface Nano Fabrication Laboratory
The research aim of Surface Nano Fabrication Laboratory (SNFL) is to establish a practical fabrication technology for wirelessly operated wearable electronics via integration of wireless energy generator, energy storage device, and bio-environmental sensors on a single deformable substrate. For this, we conduct research on (1) developing high-efficiency, flexible solar cell as a wireless energy generating device and a wireless power receiving device using a coil antenna, (2) devising high-performance supercapacitors, (3) fabricating multi-functional sensors with visual display, and (4) integrating all the device elements on a single deformable polymer substrate which is skin-attachable.
Detailed research area is as follows :
- Interfacial Engineering
- Carbon material-based stretchable supercapacitor
- Transient supercapacitor
- Stretchable/wearable multi-functional sensor
- Electrochromic device
- Near-field power transmission device
- Flexible solar cell
Homepage : http://surfnano.korea.ac.kr
- For more information, contact : Prof. Jeong Sook Ha
- Tel : 82-2-3290-3303
- Email : firstname.lastname@example.org
3. Nano-structured Organic Materials Research Laboratory
The Nano-structured Organic Materials Research Laboratory, under the supervision of Professor Joona Bang, carries out research on various block copolymers and their applications. We design monomers, polymerize them using various methods of polymerization such as RAFT polymerization, ATRP, anionic polymerization, ROP, and ROMP. These polymers are then processed to be used in various fields including block copolymer nanolithography, organic nanoparticles synthesis, epoxy toughening, quantum dots and anti-fouling materials. In addition to lab work, our lab also performs computational simulations based on field theory and a particle-based model to predict the behavior of macromolecules.
Our Research area is summarized as follows:
- Synthesis of various functionalized monomers
- Living radical polymerization (RAFT polymerization, NMP, ATRP, ROMP, anionic polymerization)
- Synthesis of architecturally diverse polymers (star, bottlebrush, single chain nanoparticles, etc.)
- Directed self-assembly of block copolymers
- Advanced block copolymer nanolithography using non-linear block copoymers
- Block copolymer nanocomposites
- Anti-adhesion surface by monolayer coating
- Photoluminescence quantum dots
Homepage : https://nanopolymer.korea.ac.kr/
- For more information, contact : Prof. Joona Bang
- Tel : 82-2-3290-3309
- Email : email@example.com
4. Nano Materials & Functional Thin Film Laboratory
Nano Materials & Functional Thin Film Lab under supervisor of Prof. Jinhan Cho has focused on the development of novel layer-by-layer (LbL) assembly approach as well as the fabrication of LbL-assembled thin film applications using various adsorption mechanism and surface chemistry. For this goal, all the graduate students in our research group are studying (1) the surface chemistry of polymers, (2) the synthesis and surface modification of metal (or metal oxide) nanoparticles and carbon-based materials (carbon nanotube and reduced graphene oxide), (3) the interface control through complementary interactions (electrostatic interaction, hydrogen-bonding, and covalent interactions), and (4) the device physics of thin film-based target applications. Up to date, our group have developed a variety of novel LbL-assembly approaches called as ligand exchange LbL, ligand addition LbL, amphiphilic LbL, small molecule-mediated LbL assembly. Recently, our group have developed the multifunctional colloids, the nonvolatile memory devices, the triboelectric devices, the supercapacitor, and the batteries that can exhibit the higher performance through our novel LbL assemblies.
What is LbL assembly ?
LbL assembly method offers diverse opportunities to prepare organic/organic and/or organic/inorganic nanocomposite films with tailored optical, magnetic, biological and electrical properties. An important advantage of this method is that it enables the preparation of films with controlled thickness, composition and functionality on substrates of different size and shape. Additionally, various inorganic nanoparticles as well as organic components can be inserted within LbL films through complementary interactions (i.e., electrostatic, hydrogen-bonding, or covalent interaction).
Research area of our group is as follows:
- Synthesis of nanomaterials
- Development of Novel LbL-assembly and nanocomposite multilayer films
- Thin film based-functional Colloids
- Nonvolatile memory devices
- Triboelectric devices
Homepage : http://uflab.korea.ac.kr
- For more information, contact : Prof. Jinhan Cho
- Tel : 82-2-3290-4852
- Email : firstname.lastname@example.org
5. Laboratory of Functional Polymers
The research group of functional polymers, headed by Prof. Anzar Khan, is exploring the design, synthesis, and application aspects of smart polymeric(nano) materials. The following are some of the recent and active research projects being carried out in the laboratory of functional polymers.
- Harnessing enzyme sensitivity of the azobenzene motif to prepare activatable anticancer polymer-drug conjugates
- Proton transfer polymerization between thiol and epoxide groups as a new synthetic method to prepare reactive and multiply functionalized polymers under ambient conditions
- Sequential thiol-epoxy and esterification reactions as a means for post-polymerization double-modification of glycidyl polymers
- Controlling the pore chemistry of nanoporous polymeric membranes through molecular engineering concepts
- Synthesis of polymer nanoparticles of controllable shapes and chemistries
- For more information, contact : Prof. Anzar Khan
- Tel : 82-2-3290-4859
- Email : email@example.com
IT (Information Technology)
1. Polymer Blends Laboratory
Electromagnetic shielding materials as well as polyurethane thermal insulating materials prepared by polymers and composites are very important industrial materials. In this laboratory, the research and development of such materials are undertaken. Followings are the topics that we are investigating:
- Effects of hybrid conductive fillers on the electromagnetic interference shielding effectiveness of polymer/conductive filler composites.
- The improvement of thermal insulating properties of rigid polyurethane foams blown by environmentally friendly blowing agent.
- The improvement of sound absorption properties of flexible polyurethane foams.
- For more information, contact : Prof. Woo Nyon Kim
- Tel : 82-2-3290-3296
- Email : firstname.lastname@example.org
2. Complex Fluids Engineering Laboratory
Complex Fluids Engineering Laboratory (CFEL, Prof. Hyun Wook Jung) focuses on rheology and rheological processes based on theoretical modeling, simulation, and experiments. CFEL’s research fields are shown below.
- Nonlinear dynamics/stability/sensitivity in polymer processes
- Fundamental coating and drying processes
- Micro-rheology using Brownian dynamics and light scattering techniques
- Chemorheology and crosslinking characteristics of organic coatings
- Suspension rheology
- Macro-/micro-scale computations of exhaust gas flows inside porous filters
CFEL contributed to the product quality control and productivity enhancement in polymer extensional deformation processes such as film casting and film blowing, exhibiting Hopf bifurcation features. CFEL also established the key strategy for uniform coating flow control and operability windows in pre-metered coating processes which have been importantly applied in IT industries manufacturing display films, Li-ion secondary batteries, and fuel cells. CFEL elucidated the relationship between curing kinetics and mechanical properties of dual-curable organic coatings for automotive applications. Employing various light scattering techniques such as dynamic light scattering (DLS), diffusing wave spectroscopy (DWS), and multi-speckle DWS, CFEL have investigated the micro-rheological aspects in particulate suspension systems. Through Brownian dynamics simulations and related microfluidic experiments, CFEL clarified the migration and conformation of polyelectrolyte/biological polymer chains in various flow fields. CFEL recently performed macro/microscopic simulations for diesel particulate filters and developed coating technologies of catalytic slurries.
Homepage : http://cfel.korea.ac.kr
- For more information, contact : Prof. Hyun Wook Jung
- Tel : 82-2-3290-3306
- Email : email@example.com
3. Advanced semiconductor process & characterization laboratory
Advanced semiconductor process & characterization laboratory (APCL) covers a multidisciplinary research on the basic properties of semiconductor materials to their applications for device fabrication. The research area includes multidimensional from one- to three-dimensional semiconductor structures, IR to deep-UV optoelectronic devices, next-generation compound semiconductor materials and their applications for various kinds of devices. Ultra-wide bandgap semiconductor for next-generation high-power devices, photodetectors and high performance optoelectronic devices such as light emitting diodes (LEDs) and solar cells are systematically investigated through the combination of physical modelling and experimental approaches.
Research area :
- Opto-electronic devices (LEDs, solar cells, photodetectors, etc.)
- Compound semiconductor based high-power devices
- Chemical sensors for monitoring harmful environment
- Transfer-free growth and characterization of graphene
- Fabrication and analysis of nanoscale device
- Multi-dimensional materials (graphene, black phosphorus, TMDs, hBN, etc.)
- Chemical etching and thickness control of compound semiconductors and two-dimensional materials.
Homepage : https://www.cpcl.korea.ac.kr
- For more information, contact : Prof. Jihyun Kim
- Tel : 82-2-3290-3291
- Email : firstname.lastname@example.org
4. Microfluidic Process and Biopolymer Laboratory
The microfluidic process and biopolymer laboratory, founded by Professor Ki Wan Bong, is engaged in research on the synthesis, assembly, and analysis of 3D soft matter architectures. Using microfluidic-assisted fabrication methods and biocompatible materials, we have built complex 3D structures for use with in vitro diagnostics and in vivo therapeutics.
Our research areas include:
- Flow Lithography
- Particle technology for biomedical applications
- Droplet-based microfluidics
- Bio-micro electro mechanical systems (BioMEMs)
- Soft lithography and patterning
- Nanoparticle synthesis
Homepage : http://brg.korea.ac.kr
- For more information, contact : Prof. Ki Wan Bong
- Tel : 82-2-3290-3294
- Email : email@example.com