Ụlọ ọrụ ígwè ọkpọkọ
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Ụlọ ọrụ Tangshan Youfa Steel Pipe Manufacturing Co.,Ltd.
Tangshan Youfa New Building Equipment Co., Ltd
Ike Mmepụta
Ahịrị Mmepụta Paịpụ Erw Round 39
Ahịrị Mmepụta Paịpụ Erw Round nke Galvanized 24
Ahịrị Mmepụta Plastik 4 nke ígwè
Usoro Mmepụta nke ihe nkwado Ringlock 9