No order review, no capacity evaluation, no master production plan, external cooperation plan, weekly production plan, weekly delivery plan. When customers come to order, fill in a form and send it to the production department, they call the production plan. Because there is no plan, the result of March is still pre-order. The responsibility of the business department is only to communicate inside and outside, rarely to integrate information, filter and process information.

There is no material requirement plan, which is controlled by warehouse people according to experience and feeling. The backlog of defective goods in the warehouse has not been dealt with for a long time. There is no...