Tiefa Weiyue Mining Fittings Manufacture Co., Ltd.

[ Manufacturer ]Main business are Mining fittings

Baotou Fengda Petroleum Machinery Co., Ltd.

[ Manufacturer Trader ]Main business are Petroleum machinery

Wendeng Heli Machinery Co., Ltd.

[ Manufacturer Trader ]Main business are Pile work machinery

Xingtai Bafang Industry & Trade Co., Ltd.

[ Manufacturer Trader ]Main business are Rubber sealing articles, Drill stem etc.

Xuanhua Changcheng Excavating Engineering Equipment Co., Lt

[ Manufacturer Trader ]Main business are Rock drilling machinery

Tianjin Tiansheng Petroleum Tubing Manufacturing Co., Ltd.

[ Manufacturer Trader ]Main business are Petroleum pipe

Guiyang Changwei Commerce & Trade Co., Ltd.

[ Trader ]Main business are Drill stem, Screw thread drill rod etc.

Nantong Hengtong Machinery Manufacturing Co., Ltd.

[ Manufacturer Trader ]Main business are Screwing digging drill stem, Drilling tool.

Shenzhen Liguan Mechanical Fittings Co., Ltd.

[ Trader ]Main business are Mechanical fittings

Jiangsu Jurong Youli Base Conduit Factory

[ Manufacturer Trader ]Main business are Construction conduit