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