Hebei Hengsheng Pumps Co., Ltd. is the largest manufacture of various gear pumps in China.Also the the leading positive displacement pumps,Marine pumps, centrifugal oil pumps,Mechanical Seal and Valve manufacturer in China. Established in 1973, our brand "Hengyuan" is a top famous brand in the pump industry. Our marine pumps have already been certificated by ABS, BV, CCS,DNV,GL, KR, NK, and LR Classifications Society for marine applications. Our company is an ISO9001:2000 and Navy pumps standard GJB9001A-2001 certified registered enterprise in China. Annual sales amount is about 30,000 sets of various pumps. We have Chinese highest standard National Authorized B-Grade Testing Equipment Center in our factory to test the quality of every pump, such as material metallography, Nitrided stove and heat treatment, performance test, mechanical run, NPSH, and power. Each pump wi1ff8ll have a sole code to trace the quality and responsibility by Internet. Also we have our own Mechanical seal w... [Details]