Natural gas compressor products, are used reciprocating piston works, oil lubrication, belt drive. Cylinder all core parts used in all alkali, acid, high temperature materials casting, production process according to JB / T 10298-2001 design and manufacturing standards by the auxiliary storage device with external achieve fast inflatable vehicle so that the vehicle can quickly complete the inflation process in a few minutes, a user with the facility or unit according to the number of vehicles to buy suitable models. Stored in the device and cylinder group In a separate safe working environment by CNG compressor cylinder group to raise natural gas, when the gas reaches the set pressure value CNG, CNG compressor will automatically shut down, until the vehicle CNG filling gas cylinders group After the gas pressure is lower than the set pressure, CNG compressor cylinders again for the group qi. Package aerated system pressure protection device, temperature protection device, gas shut-off devices, to protect the life and safety of the unit operator.