Ku ya 16 Kamena, urugendo rwumuyoboro mwiza wicyuma, Umukiriya mwiza wicyuma cyumukiriya winama y’ubwumvikane bw’akarere ka Hainan kizabera mu nzu y’abashyitsi ya Hainan, mu mujyi wa Haikou. Iyi nama yumvikanyweho yakiriwe na Tianjin Youfa Steel Pipe Group, Haikou Gangyu Material Trading Co., Ltd., Hainan Youfa Industria ...
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