Cangzhou Great Drill Bits Co.,Ltd

Products:Rock Reamers (10"-72") Key features Forging spindle (50% rolled product spindle on the market, 30% old drill collar spindle) Special trenchless custom dental palm pieces, Composite seals, metal seals, a variety of models are available According to the characteristics of the drilling rig and different formation conditions, select the most suitable tooth type and bearing structure; Digital cutting according to the drawing size, angle placement; One picture at a time, one card at a time; Welding process assurance to prevent welding from overheating