Focusing on PostgreSQL Database technology, S2 Limited provides enterprise-level customers with professional open source database services, covering the entire life cycle of IT systems (including the entire process of business consulting, architecture design, system construction, operation and maintenance assurance, and performance tuning). Reduce the difficulty and complexity of customers using open source databases, improve the agility and efficiency of the database supporting system for front-end business, and help users reduce IT system operating costs. Our services include: architecture consulting and design, system implementation, performance tuning, upgrade and migration, patching service, high-availability design, disaster recovery construction, backup and recovery management, data masking and encryption, troubleshooting, annual maintenance, emergency data rescue services, to name just a few. We also provide operation and maintenance management tools to improve IT operation and maintenance efficiency. We provide customers with the greatest security guarantee for their IT systems with 7*24 professional services. S2 Limited's business coverage includes Hong Kong, Macau and the Greater Bay Area.