◉ Beams using high strength rectangular tube.  ◉ Platform overall molding,bearing up to 6.3T.   ◉ Automatic reset type pneumatic safety valves.safety，reliable and high efficiency synchonization.    ◉ Export pneumatic components,long service life.  ◉ Wire rope fracture protective mechanism,can effectively prevent the steel wire rope drop fast when fracture    ◉ Four columns secure level accurate adjustable   ◉ All moving parts are equipped with grease nipple,convenient to fill lubricating oil   ◉ Yellow warning removable parts on the slope,at the same time of warning also protect the ground friction   ◉ Optional slide plate and rolling jack for four-wheel alignment.  ◉ Optional pneumatic or electric rolling jack,Capacity 6.3T(14000 pounds)  ◉ Explosion-proof throttle valve on the oil tube. It can prevent falling fast Caused by oil tube burst.