1. Weifang Haoyu Environmental Protection Equipment Co., Ltd.

Main products: hospital sewage treatment equipment, domestic sewage treatment equipment, washing sewage treatment equipment, breeding sewage treatment equipment, slaughtering sewage treatment equipment and bean products processing.

address: within the SME industrial park of Shanwang Town, Linqu County, Weifang City, Shandong Province.

2. Weifang Prida Environmental Protection Equipment Co., Ltd.

Main products: underground integrated sewage treatment equipment, air flotation machine, inclined tube sedimentation tank, quartz sand filter tank, activated carbon filter tank, chlorine dioxide disinfection equipment and sodium hypochlorite elimination.

address: 511m factory building at the west end of Dongfeng Street, Weicheng District, Weifang.

date of establishment: February 6, 2119.

3. Weifang Fangjia Environmental Protection Technology Co., Ltd.

Main products: sewage treatment equipment.

address: anjiahe industrial park, linqu county.

date of establishment: 2118-11-31.

4. Shandong lebin environmental protection technology co., ltd.

main products: medical sewage treatment equipment and community water treatment equipment.

address: anjiahe industrial park, linqu county.

date of establishment: 2118-11-31.

5. Shanghai Xinbu Technology Co., Ltd.

Main products: R&D and manufacturing of filtration equipment; Design and manufacture of mixing, washing and filtration system engineering; Production of mechatronics equipment.

date of establishment: July 21, 2112.