销售控制和产品的维修服务。其销售增长依赖于销售渠道和销售业务员的工作业绩 ,以及与大型客户关系的良好保持。客户主要是代销商 ,同时还有直销大客户和协作厂家。对客户的接待和订单及时准确的处理 ,是保持销售畅通的有力保证。一般制造企业有采购部、生产部、质保部、技术? Sales control and product maintenance services. Its sales growth depends on the performance of sales channels and sales clerks, as well as the good retention of relationships with large customers. Customers are mainly distributors, as well as direct sales and customer collaboration partners. The reception of customers and orders in a timely and accurate manner, is to maintain a strong guarantee of smooth sales. General manufacturing companies have purchasing department, production department, quality assurance department, technology?