Ni Oṣu Keje ọjọ 16th, irin-ajo ti paipu irin to dara, Onibara Pipe Irin ti o dara julọ ti ipade Ijẹmọ Agbegbe Hainan yoo waye ni Ile Guest Hainan, Ilu Haikou. Ipade ifọkanbalẹ yii ti gbalejo nipasẹ Tianjin Youfa Steel Pipe Group, Haikou Gangyu Material Trading Co., Ltd., Hainan Youfa Industria…
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