Representatives from such famous enterprises as China Offshore Oil Engineering Company (COOEC), Sinopec, Kerui Group, Sany Heavy Industry, MeiHua Holdings Group co., ltd, the Southern Pump Industry, Kin Lung Group, Shanghai Electric Group, Fufeng Group, Golden Chemical, Victor Oil Service, HebeiXinhe, Dongying Port Development Zone, Indian Thermax have all been dressed up to attend the exhibition.