主营产品：Production and sales: complete sets of environmental protection equipment, environmentally friendly plastic fillers, bioceramsite filter materials, water treatment filter materials, water treatment chemicals (excluding hazardous chemicals); sales of hardware and electrical machinery, instrument valves; research and development, design, installation, commissioning, Transfer of environmental protection equipment and materials; environmental protection technology consultation
主营产品：Electrostatic precipitator, bag dust collector, electric bag composite dust collector, desulfurization and denitrification equipment and accessories
主营产品：Application, agency and personnel agency recruitment for engineering survey and design, general contracting of engineering construction, professional contracting, labor subcontracting and other qualifications
主营产品：Technology development, technology transfer, technical consulting, technical services (limited to environmentally friendly new energy technology, waste lubricating oil regeneration technology, and mechanical and electrical supporting technology, valid until May 2017) solar photovoltaic power generation equipment research, sales, installation and technical services.
主营产品：Furniture factory, wooden door factory, spray paint factory, machinery factory, chemical factory, printing and dyeing factory, pharmaceutical factory, plastic factory, metallurgical factory, cement factory, brick kiln factory and other factories and mines with various waste gas, dust, sewage treatment and purification.
主营产品：Sintered mesh, sintered felt, sintered metal filter plate, sintered metal filter element, folded metal filter element, sintered metal filter disc, sintered metal filter cartridge
主营产品：Sales: building materials, instruments, electronic products, electromechanical products; sales and after-sales services of environmental protection equipment; sales, leasing and after-sales services of mechanical equipment.
主营产品：Water purification equipment, water dispenser, large bucket water filling equipment, water purifier, pure water bucket, PC bucket, reverse osmosis equipment
主营产品：Sales, design, after-sales and technical services (excluding production) of swimming pool water treatment equipment, pure water treatment equipment, softened water treatment equipment, and sewage treatment equipment; sales of related water treatment chemicals (excluding hazardous chemicals). (If the above scope requires pre-approval or the state has relevant regulations, it must be operated with a license or relevant approval documents)
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