... pulling force belt,fish net yarn,fishing line,trailer line,marine type line,cummerbund,elastic braid,sport belt,curtain line,electrical wire and fibrous ... rapidly and simple.3.Autumatic power cut set for yarn break is quickly and rightly4.Packing core is isochronous ... feeding, packing core is automatic control and safing time for yarn break5.Mptor is controled by transducer, and continuous change ...