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Who are weSinpetro Machinery and Equipment Co.,Ltd is registered in Dongying city which is the second biggest oilfield namedShengli oilfield, and there are thousands of oil and gas company located there, There is one oil and gas EXPO heldin this city annually.Sinpetro vision is to help clients manufacturing and source drilling and workover rig spare parts from China. Thereare five experts who has been working in drilling and workover rig for more than 15 years. They know what theclients are concerning, what they need, and they can source the spare parts ···