Ụlọ ọrụ ọkpọkọ ígwè
Ụgwọ nke ụlọ ọrụ Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Ụgwọ nke ụlọ ọrụ Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Ụgwọ nke ụlọ ọrụ Tangshan Youfa New Building Equipment Co., Ltd
Ike mmepụta
39 Erw Round Pipe Lines
24 Galvanized Erw Round Pipe Lines
Ahịrị mmepụta nke 4 Steel Plastic Compound
9 Ringlock Scaffolding ọkọlọtọ/akwụkwọ akụkọ/diagonal nkwado nkwado Lines