CNPC GREATWALL DRILLING COMPANY - cippe2017 Beijing Exhibitor Database - China International Petroleum & Petrochemical Technology and Equipment Exhibition

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中国石油集团长城钻探工程有限公司
CNPC GREATWALL DRILLING COMPANYBooth：E1335

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中国石油集团长城钻探工程有限公司CNPC GREATWALL DRILLING COMPANYBooth：E1335

中国石油集团长城钻探工程有限公司
CNPC GREATWALL DRILLING COMPANYBooth：E1335