Business scope: Software Development,
Technical Services,
Technology Development,
Technical Consulting,
Technology Exchange,
Technology Transfer,
Technology Promotion,
Electronic Product,
Metallic Material,
Security Technology Prevention System Design And Construction Services,
Rail Transit Operation Management System Development,
Engineering And Technology Research And Experimental Development,
Industrial Automatic Control System Device,
Information System Consulting Services,
Sales Of Machinery And Equipment,
Special Equipment Repair,
Security Equipment,
Professional Repair Of Communication Transmission Equipment,
Rail Transit Communication Signal System Development,
Communication Device,
...
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