cangzhou hirelong piping equipment co.,ltd.

Hirelong piping equipment group co.,ltd. is an expert manufacturer and trader of Carbon Steel&Alloy steel and Stainless Steel Pipes&Tubes, SMLS, BW and Screwed Pipe Fittings, Fastening pieces, Flanges&Industrial Valves serving various petrochemical and pharmaceutical factories, refineries, power projects (Thermal&Nuclear), water treatment plants, engineering construction companies in China.