In the field of auto parts, for users to customize a variety of pressure test bed, such as static pressure explosion test bench, air tightness test bench, pressure pulse test bench, differential pressure test bench, strengthening/self-reinforcing equipment, gas-assisted/water-assisted injection system. The equipment is widely used in the pressure test of automobile piping system, brake, Fuel injection, clutch hydraulic system, cooling system, airbag generator, intake manifold, etc. .