China Hwdp Exporter Companies Lists in China Energy Sector

We are The largest API certificated Oilfield tools manufacture in China. . . We make not only from rig to bit,but also rig Assembly with drilling services provider in China,We export to more than 45 countrys wourld wide. Our Major Production like: 1. Rigs Assembly,HP90,HP70,HP50 Drilling rigs;350HP,550HP,750HP WorkOver rigs. Offshore Drilling Rig 2:Drilling Stem:Drill Collar (DC),Drill pipe (DP),Heavy weight drill pipe(HWDP),square kelly,hexagonal kelly,Coring Tools,DownHole Motor. 3:Dril