Henan Ruida Purification Materials Co., Ltd. (formerly known as Gongxian Water Purification Agent Factory in Henan Province) was established in 1985 We are one of the earliest professional manufacturers in China engaged in the research and development and production of new and efficient water treatment agents,cerificate，Main products: Drinking water grade industrial grade high-purity polyaluminum chloride, anionic, cationic non-ionic polyacrylamide Exported to Singapore, Vietnam, Sudan, Hong Kong, Macao, Taiwan and other regions