Henan Ruida Purification Materials Co., Ltd. was established in 1985We 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.