... frequency control,our machines possess auto-stop system ,wrapped centre yarn feeding synchronously ,low waste and high productivity .2. ... 12mmPET,pp,stainless,copper, galvanizing line, lacquered wire,cptton yarn,nylon15-100mm20 round per minute,changeable380V,3 phase,0. ... 30mmPET,pp,stainless,copper, galvanizing line, lacquered wire,cptton yarn,nylon20-120mm15 round per minute,changeable380V,3 phase,0. ...