Серия GM эффективно шлифование фрезерный инструмент

Efficient grinding shoes are manufactured with new super-hard materials with characteristics of strong cutting capability, fast footage, and a long span, which can be used to grind and mill packer, bridge plug, oil pipes and other underground falling objects.Our company manufactures and sell casing and tubing couplings,pup joints, tool joints, adapter pup-joints, adapter couplings, stabilizers, anchors of oil pumps etc. We always do business based on the principle of equality andmutual benefit, we always provide the high quality and competitive price products.