Inventory control is the method to keep the best inventory level and position with the minimum cost to satisfy the demand.

库存控制是保持最佳库存水平和位置的方法，以最低成本满足需求。

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Keep well related record about inventory, cost checking, stocktaking for file.

按月整理相关的存货明细、成本核算、盘点等数据记录；

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We believe that our competitors are now selling smaller diameter cores at cash cost in order to reduce inventory or to keep utilization rates high.

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