SINOPEC CORP. PetroChina and China Chemical Industry And Engineering Society will jointly organize professional visiting groups to attend the exhibition.

 
  • 中石化、中石油和中國化工學(xué)會(huì )將聯(lián)合發(fā)起組織專(zhuān)業(yè)參觀(guān)代表團前來(lái)貿易、洽談。
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国内精品美女A∨在线播放xuan