Petroleum Technology Development Services (Chinese companies list)

Business scope: Sale, Base Oil, Chemical Products, Electrical Equipment, Made From Metal, Oilfield Additives, Rubber Additives, Grease, Approved Self Support Import And Export Business, Machine Accessories, Lubricating Oil, Rubber Products, Wax Oil, Petroleum Technology Development Services, Road Asphalt, Conveyor, Residual Oil, Tire, Fuel Oil,

Business scope: Instrumentation, Chemical Products, Building Materials, Office Supplies, Fire Equipment, Import And Export Trade, Sales Of Computers And Their Consumables, Technical Defense Engineering, Oil Drilling Machinery And Equipment Production, Labor Protection Supplies, Food Machinery And Equipment Sales, Lightning Protection Project, Petroleum Technology Development Services, Hardware Appliances, Electromechanical Products, Office Furniture, Processing, Sale,

Business scope: Completion Tools, Processing And Sales Of Mechanical Parts, Medium And Low Voltage Switch Cabinet, Tubing, Wellhead, Fire Equipment, Dual Power Switch, Steel, Energy Saving Appliances, Valve Sales, Inverter, Hardware Tools, Soft Starter, Petroleum Technology Development Services, Downhole Tools, Casing,

Business scope: Motor, Electronic Control Equipment, Vehicle, Network Power Equipment, High And Low Voltage Power Equipment, Petroleum Machinery Equipment And Accessories, Installation And Sales, Road Freight, Self Operated And Agent Import And Export Business Of Various Commodities, Supervision, Downhole Tool Sales, Motor Vehicle Maintenance, Shipping Agent, Petroleum Technology Development Services, Machinery And Equipment Leasing, Houses, Automation Control System Integration, Distribution Cabinet Manufacturing, Steel, Chemical Products, ...