R&D, production, sales and technical services of various chemical pumps, special pumps, special equipment for environmental protection, filtration equipment, intelligent filtration systems, pumps and related consumables, automated surface treatment equipment, blowers, wastewater treatment equipment, waste gas treatment equipment, motors, plastic pipe fittings and valves, hardware spare parts, stainless steel products, molds, electroplating production line equipment, water purification equipment and reclaimed water reuse equipment and related software; import and export of goods, technology import and export; general road freight; mold processing and design.