Pabrika sa Steel Pipe
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Tangshan Youfa Bag-ong Building Equipment Co., Ltd
Kapasidad sa Produksyon
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