Business scope: Technology Development,
Technology Promotion,
Technical Services,
Technical Consulting,
Electronic Product,
Instrumentation,
Import And Export,
Technology Import And Export,
Ups,
Screen Door System,
Screen Door System,
Office Space For Rent,
Carry Out Business Activities,
Rail Transit Equipment And Parts,
Economic Information Consultation,
Basic Software Service,
Rail Traffic Signal,
Communication Professional Computer System Integration,
Software And Auxiliary Equipment,
Computer,
...
Business scope: Cable,
Production,
Sale,
Production,
Sale,
Technical Consulting,
Technology Development,
Technology Promotion,
Import And Export,
Technology Import And Export,
Electric Wire,
Air Conditioning System,
Office Space For Rent,
Screen Door System,
Electric Heater,
Rail Traffic Signal,
Communication Professional Computer System Integration,
Electricity,
Lease Commercial Premises,
Security Door System,
...