Zhengzhou Shenlong Pump Co., Ltd. funded in 1980s, is a professional manufacturer of water pump and drainage equipments ,as the largest water pump manufacturer in Henan ,china ,we have the rich experience of water pump producing . Our company through the Authentication of the ISO 9001 Quality system in October,2002. Strictly according to the Quality control standard of ISO9001, we make the Quality control , Research and Development , production-supply-marketing at an organic ...