Langfang Haoheng Environmental Protection Equipment Co., Ltd. specializes in the manufacturing, processing, and sales of environmental protection equipment, dust removal equipment, filtration equipment, and purification equipment; hydraulic oil research and development; sales of filter cores, filters, filter oil machines, purification equipment, dust removal equipment, dust collector injection parts, sealing parts, air compressor accessories, engineering machine accessories, filtration equipment and accessories, valves, hardware, accessories, filter meshes, filter materials, filter papers, filter caps, instruments and meters, and filter cleaning equipment.