This machine is suitable for hand-push Baby Carriage beyond the obstacles made by the simulation under the pressure of raising durability test, and made by CNS test. Testing method is putting the baby model in the Baby Carriage, making the back tires leave ground 150mm when raising, similarly, let the front tires leave ground 150mm when pressure, with15+ / -/ 1times/ Min, checking if damage in the body of Baby Carriage after 3000 times' continuing reduplicat test, test will be stopped automatically once the setting times finished. Putting up transmission of under pressure moving air cylinder. Technical data: Can be lifted under pressure: 50kg Baby carriage handle fastness: Adjustable and replaceable Lift under pressure capability: Height of front and back are adjustable Adjustive space of handle joint: About 300mm Auto counter: 99999times, electricity Machine demension: 1650x1100x1900mm Power: AC ~ 220V 50H Weight: About850KG