We specialize in supplying all kinds of drilling stabilizers, roller reamer, non-magnetic drilling stabilizers, hole opener,series of drilling jars (mechanical drilling jar, hydraulic drilling jars, double acting drilling jar, fishing jars ( bumper sub, surface jar, jar intensifier), fishing tools (fishing overshot, fishing spear, junk basket, fishing magnet, ditch magnet, junk sub, taper tap, die collar, internal hook, external hook) , mechanical hydraulic internal external cutters, all kinds of junk mills (flat bottom junk mill, concave bottom junk mill, skirted junk mill, pilot mill, tapered mill, bladed junk mill, watermelon mill, econo mill), wash over tools, core tools, drill bits, casing scraper, key seat wiper, Kelly valve, full opening safety valve, drop-in check valve, arrow back pressure valve, inside bop, float valve sub, by-pass valve, cup tester, oriented bent sub, wear sub, circulating sub, reduce sub, lifting sub, saver sub, impression block, safety joint, casing drill rig package.