The registered address of Renchuang Environmental Protection Equipment Co., Ltd. in Dingzhou City is located at No. 62 Ecological Street, Yangzhuangzi Community, Xicheng District, Dingzhou City. The registration authority is the Dingzhou Market Supervision and Administration Bureau, and the legal representative is Cao Yujuan. The business scope includes the manufacturing of air purification devices, sedimentation and filtration devices, tank equipment, anaerobic equipment, sludge treatment equipment and devices, combined sewage treatment devices, integrated sewage treatment devices, water pollution prevention and control equipment, and resource reuse equipment; Air conditioning installation; Environmental technology research and development (projects that require approval by law can only be carried out after approval by relevant departments)