... Hydraulic & pneumatic united drive 5. Main construction features1.The main part of ST03 Sealant-spreading machine is base stock pump,curing ... adopt special high pressure plunger pump,provide material both way and equivalent,the base pump is drived by hydraulic system, ... :1200*1100*2500*(MM) Weight:600KGNote:improvement,function enhance,and change part according to the object,there is no further notice. ...