Chelik quvurlari zavodi
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Tangshan Youfa New Building Equipment Co., Ltd
Ishlab chiqarish quvvati
39 Erw dumaloq quvur ishlab chiqarish liniyalari
24 galvanizli Erw dumaloq quvurlar ishlab chiqarish liniyasi
4 ta po'latdan yasalgan plastmassa birikma ishlab chiqarish liniyasi
9 Ringlock iskala standarti / daftar / diagonal qavs ishlab chiqarish liniyalari