Monitor and control gross margin set by the management.
监督和控制由管理层设定的毛利。
Forecast domestic and foreign market direction and control gross balance of key commodities.
研究预测国内外市场状况，负责重要商品的总量平衡和调控。
Forecast domestic and foreign market direction and control gross balance of key commodities.
研究预测国内外市场状况，负责重要商品的总量平衡和调控。
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