GREAT registered capital of 100 million Yuan and the entire group total property exceed 380 million Yuan, with 40,000 sq.m. To keep a higher quality standard with higher precision, all of our CNC machines from Japan(Mazak), Germany(DMG), Taiwan. which is committed to R&D, design, production and sales, one of the biggest PDC bits and Tricone bits manufacture in Asia. The qualified supplier of CNPC, Sinopec, CNOOC and so on.