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PetroChina Daqing Petroleum Equipment Manufacturing Co.,Ltd.

PetroChina Bohai Petroleum Equipment Manufacturing Co.,Ltd.

PetroChina Tarim Oilfield Company

PetroChina Qinghai Oilfield Company

Karamay Jincheng Petroleum Machinery Factory

Changqing Sucker Rod Manufacture Co.,Ltd.

Jianghan Oilfied Kingdream Public Limited Company

Sinopec Zhongyuan Oil and Gas Company

Shengli Oilfield Kerui Holding Group Co.,Ltd.

Sinopec Southwest Oil and Gas Company

Luhai Petroleum Equipment Manufacturing Co.,Ltd.

Guizhou Gaofeng Petroleum Machinery Co.,Ltd.

Dezhou United Petroleum Machinery Co.,Ltd.

All rights reserved:Hunan Nanofilm New Material Technology Co.,Ltd.  湘ICP备09027425号 Power by:www.300.cn   |  manager湘公网安备 43011202000415号

Address: 5th Floor, Dongta Building, Hunan Chamber of Commerce MansionNo.569, 3rd Section of Furong Middle Road, Yuhua District, Changsha City, Hunan ,P.R.China.

Tungstem Alloy Tubing,Tungsten Alloy Casing,Tungsten Alloy Drill Pipe,Sucker Rod Coupling,Condensation Cooler,Downhole Motor,Injection Screw,Pipe Coupling