Fakitale ya Chitoliro cha Zitsulo
Tangshan Zhengyuan Pipeline Industry Co., Ltd.
Tangshan Youfa Steel Pipe Manufacture Co., Ltd.
Tangshan Youfa New Building Equipment Co., Ltd
Mphamvu Yopangira
Mizere 39 Yopangira Mapaipi Ozungulira a Erw
Mizere 24 Yopangira Mapaipi Ozungulira a Erw
Mizere 4 Yopangira Pulasitiki Yopangidwa ndi Zitsulo
Mizere 9 Yopangira Chingwe Cholumikizira cha Ringlock/ledger/diagonal