Tianjin Youfa kumurongo wa Canton kumurongo

Guhagarara kumurongo No 11.2B-19-20
Saa kumi za mugitondo.na 10h00 za mu gitondo.Ku ya 16 Mata, reka tubereke hafi y'uruganda rwacu rwa ruganda n'urukiramende rw'uruganda-- Tianjin Youfa Dezhong Steel Pipe Co., Ltd.
Saa kumi za mugitondo.na saa yine za mugitondo.Ku ya 19 Mata, tuzasura uruganda rwacu rukora ibyuma - Tianjin Youfa Steel Pipe Group Co., Ltd-No.Isosiyete y'Ishami.
Saa yine za mugitondo.Ku ya 20 Mata, reka tujye mu ruganda rutunganya - Tianjin Youfa Hongtuo Steel Pipe Manufacture Co., Ltd.