Chengde Longhong Biotechnology Co., Ltd., established on 2014-03-11, Business scope includes research and development of negative oxygen ion products,manufacture,Sales;Activated carbon sales;Biotechnology Extension Services;flowers,Grass,other horticultural crops,electronic product,stationery,Arts and Crafts Sales;cosmetic,Soap and hand sanitizer,laundry detergent,Hypochlorous acid disinfectant(Chlorine does not exceed5%),Drinking purified water manufacturing,Sales(After obtaining the qualification,Engage in business within the approved scope);wet wipes(Free of Hazardous Chemicals),Local Chinese herbal medicine processing,Sales;Manufacture of special equipment for environmental protection,Sales;Manufacture and sales of water resources special machinery and equipment;Energy-saving technology promotion service,Environmental protection technology promotion service,New energy technology promotion service;other cleaning services,Other air pollution control services,Urban and rural garbage cleaning,collect,shipment service(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)