Control system is individual controlled system, individual head looping , individual head go back mending system, each head with separate 2 encoders, each head with individual 924 head cards, auto change 6 colors, auto trimming function, each head mechanical structure can be adjusted perfectly according to each head ,can make the embroidery works more accurate. Our computer system is much more advanced DAHAO 19M 10" computer. Chain / chenille / towel embroidery maximum speed is 650rpm.