our leading products are drill collars (type a, type b and type c), hwdp, kelly, petroleum casing pipes, all kinds of friction welding drill pipes, geological pipes, all kind of drilling tool joints, lifting subs and trenchless drilling tool, etc.

pipes,casing pipes,steel casing pipe,petroleum casing pipes,ssaw pipes,spiral pipes,arc pipes,spiral welding pipes,square tubes,rectangular tubes,erw tubes,seamless pipe,line pipes,steel line pipes,ductile pipes,iron pipes,ductile iron pipes,casing coupling,octg pipe,octg casing,spiral welding pipes,arc welding pipe,ssaw welding pipe,erw square pipe,rectangular steel pipe,steel square tube,seamless tubes,steel pipes,stainless steel pipes,cast iron pipe,water distribution pipe,black iron pipe

petroleum casing and oil pipe (api 5ct & 5l), astm seamless steel pipes, tomato paste, pv solar module, valve,

steel pipes, such as seamless steel pipes, petroleum casing pipes, high pressure boiler pipes, structure pipes, fluid pipes, chemical fertilizer pipes and other related products.

steel pipes , steel tube, for pipeline business: oil pipeline, gas pipeline, fluid transferring pipeline, project pipeline, plant pipeline, casing and petroleum tubing , casing petroleum tubing, precision tube, special tube, section tube, round steel bar, m