求翻译：根据各车间（主要为机械密封、数控、仓储三个部门）和上级的请购计划，按照公司规定的采购流程执行采购过程，与各相关部门保持良好及时的沟通，保证采购物料价格合理、品质优良、交期及时，做好降低采购成本的工作。是什么意思？

Various workshops (mainly for mechanical seals, NC, warehouse three departments) and a higher level of requisition plan in accordance with the procurement process of the company provided for the implementation of the procurement process, to maintain a good and timely communication with the relevant

In accordance with the workshop (mainly for mechanical seals, numerical control, warehousing three sector) and of the Superior companies in accordance with the provisions of the plan, and procurement processes, implementation of the procurement process and the related departments maintain a good and

Depending on the workshop (mainly for mechanical seals, numerical control, storage of three departments) and upper-level plans, in accordance with the company's purchasing processes carried out procurement procedures, and all relevant departments to maintain good communication in a timely manner to