We are established in 1983 and Is located at 166 kilometers of national highway 106 in renqiu city,
hebei province, close to Beijing and tianjin, Our company manufactures and sales of various
specifications and types of PDC drill bits,tricone bit, (TCI bit, steel tooth bit), roller cutter, HDD hole
opener, rotary coring drill bit is mainly used in mining, oil and water Wells, geological exploration,
trenchless engineering, pile foundation construction, etc., and can be customized according to
customerrequest all kinds of large diameter drill assembly.The products are sold all over the world,
the spot variety is complete, the delivery is timely, at the same time can according to the
customer's demand to produce customized non-standard products.