It is suitable for valves, pipe fittings, pipes, connectors, pressure vessels, automobile brake hose steering pipes, fuel pipes, air-conditioning pipes and hydraulic equipment, construction machinery, mining machinery hydraulic hoses of various metal pipes, non-metal pipes, joints and High-pressure and ultra-high-pressure blasting, static pressure test and pressure test of accessories and other pressurized equipment, and also suitable for scientific research and inspection departments as testing tools.