Masana'antar Bututun Karfe
Kamfanin Tianjin Youfa Steel Pipe Group Co.,Ltd.-Lambar 1 Reshe;
Kamfanin Tianjin Youfa Steel Pipe Group Co.,Ltd.-Lambar 2 Reshe;
Tianjin Youfa Dezhong Karfe Pipe Co., Ltd;
Kamfanin Fasahar Bututun Tianjin Youfa Ltd.;
Kamfanin Tianjin Youfa Ruida Traffic Facilities Co.,Ltd;
Kamfanin Tianjin Youfa Bakin Karfe Bututu, Ltd.
Kamfanin Tianjin Youfa Hongtuo, Kamfanin Masana'antar Bututun Karfe
Ƙarfin Samarwa
Layukan Samar da Bututun Zagaye 16 na Erw
Layukan Samar da Bututun Karfe Mai Mudu 15
Layukan Samar da Bututun Karfe Guda 6 Masu Zane da Murabba'i
Layukan Samar da Bututun Zagaye 16 na Galvanized Erw
Layukan Samar da Bututun Karfe guda 5 Masu Karfe
Layukan Samar da Rukunin Roba guda 10 na Karfe
Layukan Samar da Bututun Karfe guda 3 Masu Rufi na Roba
Layukan Samar da Layin Samarwa na Galvanize Mai Zafi guda 9 na Guard Rail
Layukan Samar da Bututun Bakin Karfe 10
Layukan Samar da Bututun Bakin Baki 5 da Kayan Aiki