In addition to weaving into various grey fabrics, cutting and sewing into various knitwear, knitting processing can also directly knit formed products on the machine to make fully formed or partially formed products. The forming process can save raw materials, simplify or cancel cutting and sewing processes, and improve the wearability of products. Knitting production has developed rapidly because of its short process, strong adaptability of raw materials, fast variety transformation, wide range of products, low noise and low energy consumption. Since the 1970s, the productivity of the knitting machine has been greatly improved. For example, the circular weft knitting machine (tongue needle) can weave about 3000 coil rows per minute, the weaving width of the warp knitting machine is mostly 427 cm, 2000 coil rows per minute, and the speed of the single needle cylinder round hosiery machine can reach 1000 revolutions per minute. The use of electronic technology to control the work of the knitting machine improves the efficiency of the machine. Installing various active yarn feeding devices on the machine can improve the product quality. Some mechanisms are added to the machine to weave knitted fabrics with various organizational structures and different purposes: for example, the needle selection mechanism is used to make the knitting needle work according to the pre arranged procedure to weave jacquard knitted fabrics; A carding mechanism is used to feed loose fibers into the knitting needles to knit Plush knitted fabrics; Warp and weft lining device is used to weave warp and weft lining knitted fabric. There are more than 350 kinds of knitting machines. With the development of new varieties of knitted chemical fibers and finishing technology in Dongguan, the characteristics of scratch resistance, non ironing and wear resistance of knitted fabrics are improved. The application of finishing technologies such as flanging, sanding, shearing, ginning and pleating has expanded the variety of knitwear. Knitting technology has been extended to other aspects of textile production. For example, the knitting loop forming method is applied to the loom for segmented weft insertion, and each weft is connected with a series of knitting sleeves with coils to replace the traditional shuttle throwing movement and improve the weaving speed. This is the weaving and knitting machine.