We Golden Drill Group Co,Ltd. Is one professional manufacturer / exporter of rock drilling tools in China.The products quality are strict according the API and ISO9001 standard. We really sincerely hope that we can have a chance to cooperation with your company.

Our main products include , tricone bit(3-7/8``to 26``Covers almost all IADC codes),down the hole bits and hammer( DHD,COP,BR,SD,QL,Mission Shank), button bits, cross bits, chisel bits, coupling sleeve,casing tube, core tube, double core barrel, single core barrel, reaming shell, diamond bit, , PDC bit,,hard alloy bit,drilling pipe...