1, Damon: Damon database management system is the Damon company launched a high-performance database management system with full independent intellectual property rights, with high reliability, high performance, high security, high scalability and other characteristics.

2, NPC Kingbase: NPC Kingbase KingbaseES is a large-scale general-purpose relational database products for transaction processing, analytical applications, with strong performance, highly reliable security, rich tool support and application adaptation capabilities.

3, Nanda General: Nanda General GBase 8a is a distributed transactional database management system with independent intellectual property rights independently developed by Nanda General, with high reliability, high performance, high security, high availability and other characteristics.