东营中昶能源科技有限公司
Dongying Zhongchang Energy Technology Co., Ltd.Booth：W1488

Exhibit Profile：
Electric Cutter for 54 Downhole Tubing String、Electric Cutter for 70 Downhole Tubing String、Downhole Tubing String Drilling Instrument、Visual Logging Instrument、73 Four-parameter Double Pressure Tester、Cable Hanger、Hydraulic Valve Block、Motor Head Assembly、Surface Logging System