... optional 4.Lighter Top quality pu machines producer 100% made in China The system main feature: ItemYH-6000 ... weight 120KGMechanical partsMainly for pouring construction,spraying construction,buffer packaging.For spraying:Building exterior and interior wall spraying, ... ,freezer,pipe joints,door-crack padding,products padding&packaging,roller shutter door,security door,road construction,wall ...