Based on the user requirement table URS and property analysis provided by the customer, we can design a process flow diagram PFD, including production process, capacity calculation, unit operation, etc; After the PFD is completed, we will design a P&ID diagram to provide a more detailed description of the process, instruments, and utilities; At the same time, technical specifications for process equipment and public equipment in the process production system will also be proposed. At the same time, throughout the entire process design process, we will conduct multiple audits to ensure that the design meets the customer's URS requirements.