The registered address of Gongyi Jiajinkou Zhengda Water Supply Material Factory is located in Yungou Village, Jiajinkou Town, Gongyi City. The registration authority is Gongyi Market Supervision Administration, and the legal representative is Sun Xiaolong. The business scope includes the production of activated carbon, quartz sand filter material, anthracite filter material, polyaluminum chloride, and polyacrylamide; Distribution: Water purification materials, chemical products (excluding hazardous chemicals), environmental protection equipment and accessories; Environmental engineering construction.