ETW zipper(tape) winding machine is used for winding zipper, lace ... , and all textile tapes onto the tubes for dyeing use. ETW zipper(tape) winding machine is used for winding zipper, lace ... and speed-adjusting.It has three models:ETW-700, it's for 700mm length tubes.ETW-800, it's for 800mm length ... tubes.ETW-850, it's for 850mm length tubes ...