Toyota is a member of two types of information on suppliers: First is a monthly production plan which has been determined previously notified to suppliers in the middle of the month before. By using the monthly production plan has been determined in advance, the supplier will determine the date of the following plans:
1. Cycle time of each process
2. Routine operation reorder raw labor allocation in accordance with a cycle time in each process.
3. The number of spare parts and materials to be ordered on the sub suppliers
4. The number of kanban for each sub-suppliers
The second type of information is the daily information that specifies the actual number of units to be in supply to the company’s customers (ie, Toyota). Daily information is contained in two different forms: Kanban or sequence schedule table (often called an order unit table). Both forms of information are applied interchangeably, depending on the method of decision-Toyota.