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Subordinate Companies
 
 
Zibo Thermal Recovery Equipment Branch Machinery Manufacture Plant Pumping Unit Manufacture Plant
Special Purpose Vehicle Refit Plant Composite Pipe Plant
 
 
 
Import and Export Department Tertiary Oil Recovery Engineering Technique Company    
 
 
 
Shengli Oilfield Freet Oil Steel Pipe Limited Company (sino-foreigh joint venture) Huarui Oil Steel Pipe Limited Company(sino-foreigh joint venture)
Shandong Shengli Steel Pipe Co., Ltd. Shengli Oilfield Freet Top Drive Drilling System Limited Company
Shengli Oilfield Freet Coal-Bed Gas Equipment Limited Company Dongying Shengqing Oil New Technology Development Limited Company(sino-foreigh joint venture)
 
Company Address: No.203 Nanyi Road, Dongying, Shandong, China    Postcode: 257082
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