We, Clizen (was 3A Clizen), are a specialized company that has been manufacturing high quality Heat Exchangers for automobile, heavy equipment, A/C and Auto A/C compressor parts, As a Ts16949 and ISO14001 certified company. We achieved “Single PPM"of product defect ratio which has been manufactured according to strict quality management standards. We are appointed as a technically innovative company(INNO-BIZ) and registered to a high technology venture business by the Korea government The compressors parts and Heat Exchanger products are designed and engineered to deliver excellent performance that makes a good part of your vehicle. Clizen’s environmental friendly manufacturing system could provide you from the OEM products to OES & aftermarket replacement for original components. Based on the company philosophy, Clizen has returning it’s profit to the society, and practiced many volunteer works for local society as a part of return activities. Besides Practicing ‘Sharing'. We put every effort in developing a better world by spreading faith. President David Maeng