Research (Chinese companies list)

Business scope: Research, Chemical Products, Sales Of Chemical Products, Business Consulting, Oil Drilling Equipment And Accessories, Office Supplies And Equipment, Goods And Technology Import And Export Business, Wholesale And Retail Of Building Materials, To Promote, Electronics, Oilfield Engineering Technology Consulting, Mechanical Equipment And Accessories, Petroleum Engineering Technology Research,

Business scope: Design, Repair, Pdc Diamond Drill Bit, Oil And Gas Engineering Design Services, General Cargo Import And Export, Technical Advisory Services, Manufacture, Oil Drilling Technology Development, Sales And Technical Service, Sales And Technical Service, Repair, Repair, Oil Drilling Technical Services, To Develop, Research, Sale, Technology Import And Export, Equipment, Technology Transfer, Roller Bit,