This question examines the mode of material procurement. Procurement management should follow the following procedures: (1) define the basic requirements, procurement division and related responsibilities of purchased products or services; (2) Carry out purchasing planning and prepare purchasing plan; (3) Conduct market research, select qualified product suppliers or service units, and establish a directory; (4) Bid evaluation shall be conducted by means of bidding or negotiation to determine suppliers or service units; (5) Signing a procurement contract; (6) Transportation, verification and handover of purchased products or services; (7) Disposal of unqualified products or services that do not meet the requirements; (8) Procurement data archiving.