Abstract:YCWB lightweight jack is the replacement product of YCW type jack, which is one of the first products developed after the enterprise passed the international certification of ISO9000 quality system, and its development steps are carried out in strict accordance with the requirements of ISO9000 standard, and the quality of products is well guaranteed. Its main features are: small size, light weight, good performance. the successful development of YCWB lightweight jack not only makes it become the leading product of similar products in the domestic market, but also enter the international market. The competition of modern enterprise is the competition of technology