With the constant improvement of the people demand for knitting products, and gradually strengthen to the trend of refinement, deep processing of textile industry, knitting products gradually appeared the characteristics of the underwear garments and fashionable clothing. Knitting the product diverse demand for knitting machinery has brought the huge space for development. At present, knitting machinery is high speed, high efficiency, intelligent, high precision, diversification, differentiation, easy operation, easy maintenance, good stability, high reliability direction.