与供应商商谈价格，确定原材料的来源及数量，维护低成本，确保高质量。
Negotiates with vendors on price and determines the source and supply amount for orders in order to maintain lowest total cost at the highest quality standards.
工作描述：1。负责公司产品及原材料成本核算，进销存系统数据的跟进和维护，销售统计和成本分析。
Job description: 1. Responsible for the company's products and raw material cost accounting, Invoicing system of follow-up and maintenance of data, sales statistics and cost analysis.
这样一种割针(1)减少了针织机的维护成本，并且从制造技术及材料的角度公开了优化针体(2)及刀(6)的途径。
Such a cutting needle (1) reduces the maintenance costs of knitting machines and discloses ways for optimizing needle bodies (2) and knives (6) in view of manufacturing technology and materials.
对一种市售酸性硫酸盐光亮镀锡添加剂性能、生产应用、原材料成本、工艺技术以及槽液的维护等多方面都作了介绍；
The article analyses the measures to improve the presentation quality from the following construction crafts: the manufacture and mounting of moulding board; the material quality;
对一种市售酸性硫酸盐光亮镀锡添加剂性能、生产应用、原材料成本、工艺技术以及槽液的维护等多方面都作了介绍；
The article analyses the measures to improve the presentation quality from the following construction crafts: the manufacture and mounting of moulding board; the material quality;
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