These cards are in circulation in Toyota factories, between Toyota and other companies that work with him. And in the factories of companies that work together is. In this way, Kanban can convey information about the number of shots and the amount of production to achieve JIT production. Flow of 2 Kanban For example we make the products A, B and C in a raft line. Spare parts needed to manufacture these products are a and b are produced by the previous engine line. Spare parts a and b are stored behind this line and Kanban production orders from this line attached to him.