Business scope: Production,
Sale,
Technical Services,
Technical Services,
Production,
Sale,
Production,
The Second Type Of Value Added Telecommunications Services,
Computer Hardware And Software,
Computer Peripherals,
The Design Of Security Technology Prevention Engineering,
Information Technology Research And Development,
Technical Development Of Commercial Cryptographic Products,
Engineering Construction And Technical Services,
Development Of Network Technology,
Operating Import And Export Business,
Computer System Integration,
Exclusive Control,
Technical Consulting And Technology Transfer,
Sales And Technical Service,
...