... ,speed reducer,swivel connection,valve,tube accessiblely,can reduce time of mainterance.3,Famous brand hydraulic components are adpoted,of ... ,portable,efficient and fast.5,Scuttle with pneumatic spring can provide upward eyeshot and extral ventilation effect.6,Slidable ... operation efficiency.10,With which many kinds of optional components can be matched to meet requirements of different users. Update ...