Musi waChikumi 16, rwendo rwepombi yakanaka yesimbi, Excellent Steel Pipe Mutengi weHainan District Consensus musangano uchaitwa muHainan Guest House, Haikou City. Musangano wekubvumirana uyu wakaitwa neTianjin Youfa Steel Pipe Group, Haikou Gangyu Material Trading Co., Ltd., Hainan Youfa Industria...
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