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.
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 b... More
rock drilling tools(rock drilling tools), tricone bit(tricone bit), DTH bit(DTH bit), DTH hammer(DTH hammer), button bit(button bit), PDC bit(PDC bit), diamond bit(diamond bit), cross bit(cross bit), chisel bit(chisel bit), drilling rod(drilling rod)
