- Tianjin Fangya International Trade Co., Ltd.
- Address:Caigongzhuang lndustrial park jinghai County Tianjin City
- Hebei Yanghao Pipe Manufacturing Co., Ltd
- Address:West Outer Ring Rd., Yanshan County , Cangzhou , Hebei, China (Mainland), Cangzhou, Hebei, China
- Hebei Elite Pipe Industry Co., Ltd.
- Address:Economic development zone of Cangdong
- Liaocheng Xinpengyuan Metal Manufacturing Co., Ltd.
- Address:Fenghuang Industry Garden
- Beijing Haijinghuiyuan Steel Pipe Sales Co., Ltd.
- Address:Room5378,No.1Building,2#Yard,HengfuMiddleStreet,Academic city,Fengtai District,Beijing