Speed ​​chain conveyor line is mainly used in the assembly of products, transmission operation site, which is also widely used in other industries of the transportation system and unmanned operations at the scene. It is also can be a temporary storage and flexible connection with the important peripheral device and the host device. The conveyor line main applications involving in small and medium sized appliances, electronics, electrical, mechanical and electrical products, instrumentation, hardware tools, toys, household chemicals and food industry product’s assembly, department equipment, testing, commissioning and transmission assembly line.