This machine dial part adopts closed tracks design. The bottom needle cylinder adopts the theory of 3-position style 37-steps jack needle selection. Miss, Tuck, and Knit would be formed when jack works on the portion of left, right and middle to produce various double mini jacquard fabric. It’s easy and fast to change the pattern on machine and reduce the cost because of the special function of the structure. It also can produce double jersey fabric, single and double beaded fabric, lacoste fabric, pique fabric.