Established in 2000, Gongyi City Yi Quan Water Treatment Material Co., Ltd. is a professional manufacturer and exporter that is concerned with the design, development and production of water treatment products.We are located in Gongyi, Zhengzhou, with convenient transportation access. All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. 1 integarating development and porduction together 2 ...