Our factory can produce sinker bar in accordance with API Spec 11 B. It is made of fine carbon-steel or fine alloy steel. Sinker bar is furnished with pin threads on each end. Its strength includes....
Our factory, ZHANGJIAKOU CGE GEO-MACHINERY CO., LTD, is one of the main providers of sucker rod. Oil extraction is indispensable to the world development. That is why: we have been devoted to the....
Super-high strength sucker rod newly developed by our factory is made of the special alloy steel. This kind of rod has the same size, structure and parameters as grade D sucker rod except having....
Polished rod is an important part for connecting pump unites to sucker rod string in rod pumping unit. Our factory can provide two sorts of polished rod, general polished rod and one end upset type....
Steel sucker rod is one of major equipment for oilfield. Grade C and Grade D sucker rods are our main products producing in accordance with API Spec 11B. Grade C sucker rod is made of fine carbon....