Fakitale ya Chitoliro cha Zitsulo
Tianjin Youfa Steel Pipe Group Co., Ltd .-Nthambi 1;
Tianjin Youfa Steel Pipe Group Co., Ltd .-Nthambi Yachiwiri;
Tianjin Youfa Dezhong Steel Pipe Co.,Ltd;
Tianjin Youfa Pipeline Technology Co., Ltd;
Tianjin Youfa Ruida Traffic Facilities Co., Ltd;
Tianjin Youfa Chitoliro Chosapanga Dzimbiri Co., Ltd;
Tianjin Youfa Hongtuo Steel Pipe Manufacture Co., Ltd.
Mphamvu Yopangira
Mizere 16 Yopangira Chitoliro Chozungulira cha Erw
Mizere 15 Yopangira Mapaipi a Chitsulo Okhala ndi Sikweya Ndi Amakona Anayi
Mizere 6 Yopangira Mapaipi a Chitsulo Okhala ndi Magalasi Aakulu Ndi Amakona Anayi
Mizere 16 Yopangira Mapaipi Ozungulira a Erw
Mizere 5 Yopangira Chitoliro cha Zitsulo Zozungulira
Mizere 10 Yopangira Mapulasitiki Opangidwa ndi Zitsulo
Mizere itatu Yopangira Mapaipi Opangidwa ndi Chitsulo Chophimbidwa ndi Pulasitiki
Mizere 9 Yopangira Sitima Yotentha Yopopera Galvanize
Mizere 10 Yopangira Mapaipi Osapanga Chitsulo
Mizere 5 Yopangira Chitoliro Chosapanga Dzimbiri ndi Zolumikizira