Mudanjiang Great Wall Oil And Gas Drilling Tool...

We are greatwall drilling tools co., ltd based in Mudanjiang, China. member of TradeKey.com since March, 2011. Our business is related to Industrial Machinery industry and we specifically deal Drill collar, Heavy Weight Pipe, Kellys, Jars tools, stem Fishing Accessory Coring Milling ...

Telephone：86-0453-13836305474Address：no9, Mudanjiang, Heilongjiang, China

Chongqing Xionggong Mechanical & Electrical Co., Ltd.

Telephone： 0086-023-67537256Address：111# Ave. Longshan Chongqing China