The distribution part is mainly logistics,

2) Procurement

If the business of the supply chain is divided into business email list upstream, midstream and downstream, procurement is upstream. The more important things in the procurement part are to screen qualified suppliers to ensure that they can deliver according to quality and quantity; the other is to make the business flow of suppliers and the business flow of their own companies open and operate efficiently.

3) Manufacturing

Manufacturing is generally an in-house affair, also known as midstream, and includes activities required to arrange production, testing, packaging, and preparation for delivery. The manufacturing part needs to ensure the quality of the products and the efficiency of the production process, and needs to monitor and control the process at a certain frequency.

4) Delivery

Distribution is mainly to send the product to the designated location, or it can be said to be sent to the downstream. The distribution part is mainly logistics, which mainly solves how to efficiently and quickly deliver products to customers, which involves warehouse location, operation and logistics network construction.

5) Return

The abnormal process in the business process can also be said to be the main process of the reverse process, which mainly deals with customer returns. The return part focuses on transparency of information, ensuring that customers have channels to return goods and clearly know the progress of returns.

3. The "flow" of the supply chain

In the overall business of the supply chain, at least three entities are involved, namely: suppliers, enterprises and customers. The business flow between entities can be simply abstracted into five flows: commodity flow, business flow, information flow, logistics and capital flow.