hejian zhongcheng drill bit
Keywords : tci tricone bit,steel tooth drill bit,pdc bit,hole opener,tricone palm,single cone bit
Description : Hejian Zhongcheng Bit Manufacture Co.LTD, our brand “SRF”,
“SRF” includes: Tricone bit( steel tooth & TCI bit), PDC drill bit (matrix & steel body), step drag bit, HDD Reamer bit (Hole opener), Stabilier, Drill pipe, drill rod, Rock Auger, bit breakers, bit subs, barrel reamer, open reamer , rock reamers, diamond core bits, concave pdc bits,barrel reamers, open reamerbits, rock reamers, …… |