YCWB series lightweight YCWA public jack in the original series is based on the jack, in order to better meet the needs of users and works to maintain and develop the model the advantages of advanced technology and quality, the use of computer analysis and optimization of combined especially the jack cylinder prestressed advanced use of technology, through repeated experiments, the development of many successful trial of new lightweight jack, it is not only small size, light weight and high strength, respectively tension clip anchor group, Heading anchors and LZM DM cold cast anchor. The company can produce various specifications according to customer needs the size of the product.