... manufacture the Computerized Collar-knitting machine with automatically adjust density and transfer needle which called “Hualun Feihu”F16 ,it is controled ... faceplate), the quickest speed can reach 1.6M/s.(4) Yarn carrier: 6 color can be changed in half turn .( ... card )(8)Automatic stop device: yarn-breaking,spin,needle-sever(crash),fabric-fall,yarn-floating,Density amplidyne,Neilsbed shift amplidyne, ...