Hebei Huihai Luoxuan Steel Tube Co., Ltd.

Cangzhou Bohai Electric Power Pipe Fittings Co., Ltd.

Hebei Haihao High Pressure Falan Pipe Fittings Group Company Ltd.

Hebei Huachuang Pipeline Co., Ltd. (Factory 3)

Hebei Hasee Steel Tube Manufacture Co., Ltd.

Guangyuan Xincheng Pipe Fittings