Dear sir/madam: we are a OCTG manufacturer in China, camany name: Sichuan World-rise petroleum machinery manufacture co., ltd. professer product the drill tools, like pipes, kellys/hexagonal kellys, heavy wall pipe, sprill collar, Non-magic collars and so on, have certificate API SPEC 5D / ...

Norce Drilling & Rolling Co., Ltd is a qualified manufacturer of machinery parts and assemblies. It occupies land area 15000 square meters based in Jiyuan City, new industrial city China mainland.We have big team experienced engineers skilled workers from military industry enterprises. ...