- 产品分销 -Product distribution
- 产品分销 -Product distribution
- 系统集成 -System integration
- 系统集成 -System integration
- 弱电工程 -Weak electrical engineering
- 弱电工程 -Weak electrical engineering
- IT运维服务 -IT Operation and Maintenance Services
- IT运维服务 -IT Operation and Maintenance Services
- 软件开发 -Software development
- 软件开发 -Software development