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倡导JIT的丰田公司,最佳的库存状态,仍有2.7天的原物料、在制品、成品库存,虽然比起许多企业动辄三、五十天要好得太多,但仍然不是零库存。因此,正确的说法是把不必要的库存降至“零”。然而,必要性的问题,恐怕容易引起争议,不过,若具备下列条件,当可大幅降低原先认为必要的库存。◇规格的标准化与简化:客户需求的是功能与性能,而非规格,因此从业务接单到研发设计,都可在
Toyota, which advocates JIT, has the best stock status. There are still 2.7 days of raw materials, finished products and finished goods inventories. Although they are much better than many enterprises at three or ten days, they are still not zero inventories. Therefore, the correct argument is to reduce unnecessary inventory to “zero.” However, the issue of necessity may be controversial. However, if the following conditions are met, the stocks that were originally deemed necessary may be drastically reduced. ◇ standardization and simplification of specifications: the customer needs is the function and performance, rather than specifications, so from the business orders to research and development design, can be at