Beijing BHT Technology Development Co., Ltd was established in 2013,integrateing the business trade,investment and cooperation into a body,which is a diversified limited company that setted up in Beijing by Hebei wind sail high-pressure tubing co.,ltd..Hebei wind sail high-pressure tubing co.,ltd. :established in Year 2002, which is a specialized Spiral steel pipe/Hot-rolled steel pipe/Anti-corrosion steel pipe/Elbow/Flange manufacturing enterprise integrating development and manufacturing,and ...