1)The hydraulic consists of three parts:

the elevating cylinder and controlling parts,the elevating arm and chain-wheel parts,the gantry and back-wheel parts.
The lift lifts the weights with a manual or pedal hydraulic device,and loads weights with manual pull and push at a low position.
The oil-reflow valve is placed in the hydraulic device.
The descending speed is controlled through the pedal,ensuring the correct action of the hydraulic system and safety.

2)Big pump, strong heart

	Frame thickness   The frame thickness has 8mm.
Fork size   One model for most countries. General size: 330-740mm It is the adjustable fork, the fork size can be adjusted from 330mm to 740mm. And the leg width is 690mm.
	Fork size   One model for the EUROPEAN countries  General size:550mm It is the fixed fork, the fork size is 550mm. And the leg width is 490mm.
Fork size   A special model  General size:330-830mm It is the adjustable fork, the fork size can be adjusted from 330mm to 830mm.It is on the outside of the leg. And the leg width is 490mm.