strip haipuo environmental protection group co., ltd. specializes in the production and sales of sewage treatment. its main products include dissolved air floaters, belt filters, filters, buried integrated sewage treatment equipment, etc. 1 zhucheng kelin environmental protection technology co., ltd. is a high-tech enterprise specializing in the research and development, design, production, installation and debugging of integrated sewage treatment equipment. the company mainly operates hospital sewage treatment equipment, integrated sewage treatment equipment, dissolved air float machines, etc. the company focuses on the research and development of environmentally friendly equipment and has now specialized in the production of products with more than 200 specifications including underground sewage treatment equipment. 30 strip