At the site of the sann springs and leisure business park, located at no. 843, located in sanang city, hebei province, sanctuary, sanctuary, sanctuary and commercial park, the company produces, processes and sells: filtering equipment and accessories, filters, purification equipment, dust removal equipment, valves, compressors, paper products; sells vacuum pump cores and consumables, hardware accessories, machinery equipment and accessories, rubber products, plastics, aluminium products, hardware products and chemical products。