Falegaosimea Paipa Uamea
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Tangshan Youfa New Building Meafaigaluega Co., Ltd
Malosiaga o le Gaosiga
39 Laina Gaosiga Paipa Lapotopoto Erw
24 Laina Gaosiga o Paipa Lapotopoto Erw Galvanized
4 Laina Gaosiga o Palasitika U'amea
9 Laina Gaosiga o le Ringlock Scaffolding standard/ledger/diagonal brace