Þann 16. júní verður ferð góðs stálrörs, Excellent Steel Pipe Customer of Hainan District Consensus Fund haldin í Hainan Guest House, Haikou City. Þessi samstöðufundur var haldinn af Tianjin Youfa Steel Pipe Group, Haikou Gangyu Material Trading Co., Ltd., Hainan Youfa Industria...
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