The project cost software is compiled according to its relevant requirements and standards, and the state and the government have not required the use of software or software made by designated software vendors (the government and its relevant units shall not disturb and interfere with market behavior).
Guangdong's cost software is well-known: Guanglianda, Lei Yin, thunis, SJM, Superman, Jianshe, etc.
Mainly depends on what software format or quota Party A specifies to use for auditing.
Consulting financial audit center, cost consulting company, engineering software developer, etc. Understand the relevant information and make a choice.