Long Sheng Co.,Ltd locates in Chang Shu Economic Development Zone。 As started in 2006, we were the first one applied Multi-ram die forging technologies to the manufacture of drill pipe joint and high-pressure valves,which filled the blank in China. The successful Multi-ram die forging technologies development of tubing head(700kg),5 1/16-15000psi(1000Kg),bonnet,link block, Drill pipe joint, and 6D ball valve body cover during 2019 and 2020 years has reached the leading level in China
Website:http://www.lsdrilling.com