Kiwanda cha Bomba la Chuma
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Tangshan Youfa New Building Equipment Co., Ltd
Uwezo wa uzalishaji
Laini 39 za Uzalishaji wa Bomba la Erw
Laini 24 za Uzalishaji wa Bomba la Mabati la Erw
4 Steel Plastic Compound Uzalishaji Lines
9 Mistari ya Uzalishaji ya Kiunzi cha Ringlock/leja/kiunga cha mshazari