Shanghai Xinchang Refrigeration & Heating Materials Co., Ltd has its own factory which is located in High-tech Developing Zone, Chengguan Town , Xinchang County, Zhejiang Province. We are specialized in manufacturing and exporting parts of air condition and refrigeration in China, such as 4-way reversing valves, solenoid valves, expansion valves, single direction valves, check valves, filter driers, oil separators, accumulators, refrigeration heat exchangers, receivers xxxxx Our products have passed the ISO9001:2000 Quality Administration System, CE approval, UL approval and RoHS approval.This series of products are favored by customers in the world and have already formed a complete set with Carrier, Trane, Maquay, Dumhan-Bush, Electrolux, York, etc. For detailed information about our products and company, please visit our website http://xxxxx at your convenient time, and we would like to offer good quality products with competitive prices to you.