Simbi Pipe Factory
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co.,Ltd.
Tangshan Youfa New Building Equipment Co., Ltd
Kukwanisa Kugadzira
39 Erw Round Pipe Production Lines
24 Galvanized Erw Round Pipe Production Lines
4 Steel Plastic Compound Production Lines
9 Ringlock Scaffolding standard/ledger/diagonal brace Production Lines