... vacuum forming any design of Shower tray, shower room, bathtub, SPA, jacuzzi.etc This semi-automatic vacuum forming machine ... machine,vacuum forming machine,ABS bathtub machine,plastic forming machine bathtub making line,acrylic bathtub making machine,fiberglass bathtub making machineWorking cycle:Carry materials ... lower mold down → take out the finished sheet by hand. Acrylic Bathtub Forming Machine