We are specialists in R&D, design and manufacture of high efficient heat exchangers. DEFON is a strategic partner of Sinopec, China Military industry, Railway ministry, China Shipping Company. China Power Companies etc.Our products are exported to USA, Europe, Japan, India and we receive good feedback from customers like GE, ALSTOM, Cameron Compression Systems, Ingersoll-Rand Technologies, Siemens, Man T&D, Wartsila etc.Our HSE and Quality Management systems are in line with international systems. We have obtained ISO9001:2000. IS014001:2004, ISO/TS16949, GJB9001A:2001 quality system certificates, and have got CCS Works Approval. Now we have the design and production qualification for Class II pressure vessel. Quality certificates like marine inspection, fishery inspection, military inspection and labor inspection could be supplied as per customer requirement. Inspection certificates such as GL, LR, ABS, BV, NK, DNV. RINA could also be offered for exported products.