Wuhan yijue tengda machinery co., LTD. Is a company specializing in the production and sales of mining/oil drilling tools and pile foundation drilling tools. The main products are blasthole tri-cone bit,DTH hammer&bit,raise boring roller cutter, drilling teeth, single roller cone bit,drilling buckets, core barrels and so on.Our core products are tri-cone bits with 6 1/4 - 12 1/4 inches,which are used in mineral/oil/gas exploration, underground&surface mining of all kinds of rock formations.The headquarter of the company is located in Wuhan city. The company has sales and production personnel above 200.We are delicated to serve for mining/oil drilling and foundation drilling/piling industry.Our products have been exported to many countries, such as Chile, Qatar,Germany,Austrialia,USA,Vietnam and so on.We are looking forward to co-operating with you!