tube expander 1.Microcomputer control 2.Linear slide rail 3.Hydraulic cooling system 4.extending, contracting JY-SG40 ... both manual and automatic operations are available2. Adopting linear slide rail, stable propulsion3. Dialogue operation, easy to study and understand ... SG60JY-SG80JY-100SGJY-120SGMaximum molding ability :mmØ20*2Ø40*2Ø60*2Ø80*4Ø100*6Ø120*6Maximum molding length: ...