Sometimes a very powerful businessmen may order its suppliers to deliver parts on time (JIT). In this case, if the plant on the retailer to implement Kanban system without changing its own production system. Kanban system will be something that is heavy for its suppliers. Although the kanban system is a very effective way to realize the concept of JIT. This system should not be applied to the supplier without any change in the overall production system user company. Kanban system is only a subsystem of the Toyota production system requires a total reorganization of the existing production system.