In jiangsu province lianyungang city essence of metering pump Co., LTD. (formerly jiangsu province HuaiYinShi essence of metering pump Co., LTD., jiangsu GuanNaXian six pond chemical machinery factory) is a professional company of production of metering pump. The product by Shanghai chemical research senior engineer ZhuYingHao development, and bear the technical guidance and supervise the quality, the company trademarks for "back six" brand. This company produces metering pump has more than 20 years history, the organization, management experience, strong technical force, complete production equipment, advanced detection methods, products are not only sold well all over the country more than 20 provinces, autonomous regions, also supporting exports, deeply user welcome. The company in order to meet the market growing products and the changing needs of the original products in the basis of the reconstruction of the technology, *****