According to yearly budget and quarterly sales forecast , prepare related production / purchasing / logistics budget and periodically analyse the difference between the actual and budget in order to control and save cost 根据年度及季度销售预算制定出相应的生产预算及物流采购预算,并定期将实际发生情况和预算作比较,使其控制在合理范围之内,达到节省成本的目的。