Guizhou Sinodrills Equipment Co., Ltd.
Thread button bits; Retract thread button bits; Threaded cross bits (X bits) Retract thread cross bits; Taper drill bits; Reamer tools; Domed button bits; Coupling sleeves; Shank adapters; Hexagonal drill rods; Round extension drill rods; Fully carburized taper drill rods; Integral drill rods; Tapered drill rods; DTH hammers; DTH bits; DTH drill pipes
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