The duties of the material director are: first, to participate in the macro-management and strategy formulation of the company; Second: the overall planning of departmental work; Third, communication and coordination with various departments; Fourth, review and revise the departmental document system; Fifth, maintain and review the progress and performance of the department; Sixth, review and publish various forms of plans of the department; Seventh, the training of employees at all levels in the department; Eighth: Complete other tasks assigned by the company. The work includes: under normal circumstances, the material class needs to be responsible for managing planning, purchasing and warehouse; According to the sales plan of the marketing department, be responsible for making production plan and material plan; According to the material plan and inventory information, the procurement plan should be managed from supplier development, qualified supplier review, purchase order release, quality delivery assurance tracking and cost control. Be able to manage the goods circulation and data in the warehouse; Be able to manage the staff required for all the above activities.