Guangzhou da che ni automobile testing equipment co., LTD. Production and sales research and development of the car refrigerant recycling refueling machine, car tire nitrogen machine, car detachable wave box cleaning agent, fuel system detachable cleaning, car fuel nozzle cleaning machine, car maintenance, car ozone disinfection machine variety complete, reasonable price. Guangzhou da che ni automobile testing equipment co., LTD. Has won the trust of the customers with its strong strength, credit, contract and quality assurance, as well as the principle of multi-variety management and small profits and quick turnover.