1. Each line maybe weave with a main color and five auxiliary color, each sock knitted with sixteen colors. • 2. Suitable for three-phase power of 380v and frequency of 50hz, the complete knitting system is controlled by computer. • 3. The installation of the up’s may ensure the continuous weaving for the instant power failure. • 4. The technique of the needles system adopts the technology from japan, have a good stability and wearable. • 5. The thread and the triangle are controlled by the electronic air controller. • 6. As adopting speed motor, thread tension and density is adjustable. • 7. The double picks, the double lift needle to beat a heel, can knit y heel. • 8. Equipped the up’s machine can keep the memory of program and the knitting action if transient electric power cut happened, when the power restored, machine can continue the knitting. • 9. Knitting can be operated through keyboard and lcd. • 10. The fog form of needle tube is even to provide oil, reducing fabric greasy dirt.