An ISO 9001: 2000 and API Spec 7-1 Certified Company Mudanjiang North Machine Manufacturing Co., Ltd. ( North Machine Drilling Tools ) is a member of China National Petroleum Corporation ( CNPC) ....
Our Tianhe main products are: Drill Collars, Spiral Drill Collars, Integral Heavy Weight Drill Pipe, and several kinds of drilling tools, work-over tools, cementing tools, coring tools, fishing tools....
Hei Longjiang North Shuangjia Drilling Tools Co., Ltd. ( Sj-Drilling) is a holding company of Heilongjiang North Tool Co. Ltd. under China South Industry Group Co. The company has a registered....
The pre-existence of Tianhe Oil Group Co., Ltd is Mudanjiang Petroleum Machinery Co., Ltd, established in 1973. Tianhe Petroleum Machinery Joint-Stock Co., Ltd has restructured twice during the....
We are TIANHE OIL GROUP which is speciallised in manufacturing and exporting oilfield tools for 40 years, with the scope of almost all downhole tools, fishing tools, jar tools, including drill collar....
The Jixianmeikuang is located in Heilongjiang of province double the duck northeast of mountain City be a beautiful coal city.We are in the light of a safety development a Tai people Anne of country....