Hebei qiangheng mechanical equipment manufacturing Co., Ltd. (formerly Botou Yunhong pump and valve Co., Ltd.) was established on April 19, 2017. Its business scope includes pump and vacuum equipment manufacturing. Pump valve production and sales; Production, processing and sales of electromechanical hardware equipment, dust removal equipment and coupling; Production and sales of explosion-proof tools and platform measuring tools; Import and export of goods. (for projects subject to approval according to law, business activities can be carried out only after approval by relevant departments)