We, DONG HAW TCA CO., LTD(DHTCA) was established in 1979 to manufacture copper and copper alloy products and we have been supplying them to the various field of industry such as shipbuilding, heating coil, heat exchanger, Desalination plants, Petrochemistry equipment, etc. We have a recognition of top quality from prominent companies of overseas country and domestic. We obtained ISO9001 quality system, ISO 14001 environmental management system, OHSAS 18001 occupational safety and health management system and various classes of certificates such ah ABS, Lloyds, DNC, BV, KR through highest quality control system. We have accumulated technology and abundant experience for over 30 years will satisfy the customers with the best delivery, the highest quality and the most competitive prices. We are doing our utmost for customer satisfaction we always stand by customer. Please do not hesitate to contact us for all of your requirements and inquires. we sincerely hope you to give us continuous advice and interest.