Baoji Open petroleum equipment Co., Ltd
Address: industrial Park.Chencang Area.Baoji.Shaanxi.Chian
Fax:0917--6656800
Tel:0917-6656800
Email:oupengsy@163.com

Shaanxi Open Heavy Industry Co., Ltd
Address: industrial Park.Chencang Area.Baoji.Shaanxi.Chian
Fax:0917-6656869
Tel:0917-6656866
Email:oupengzg@163.com

Shaanxi Open Economy and Trade Co., Ltd
Address: industrial Park.Chencang Area.Baoji.Shaanxi.Chian
Fax:0917-6656869
Tel:0917-6656869
Email:oupengjm@126.com

Shaanxi Open energy-saving environmental protection technology Co., Ltd.
Address: industrial Park.Chencang Area.Baoji.Shaanxi.Chian
Fax:0917-6656869
Tel:0917-6656685
Email:oupenghb@126.com