Chongqing Wanzhou Seiko Mould Factory. In Chongqing, Chongqing Wanzhou Seiko Mold Factory, located in Wanzhou bean sprout shed, sells various plastic mold manufacturing, mold design, product design, CNC machining and other projects, including three corneas. Located in the southwest of China, Chongqing is the center of economy, finance, science and technology, shipping and commercial logistics in the upper reaches of the Yangtze River. It is the only four-type logistics hub in China, an international consumption center city, an important strategic fulcrum for the development of the western region, an important connection point between the Belt and Road and the Yangtze River Economic Belt, and an inland open highland. It has cultural landscapes such as Dazu Stone Carving in Nanchuan, Wulong Karst and Jinfo Mountain.