... project !The vacuum process molding line is suitable for simple pattern, big casting, such as counter weight of forklift, bogie ... frame, side frame of locamotive, axle case/housing, etc.Vacuum process molding is a new type plastic ... in the homeland.Vacuum airproof mloding is made up of:pattern plate, vacuumsysterm, calefaction, molding and server, vibrating table,sandmolding ...