Business scope: Rail,
Rail,
Rail,
Ship,
Ship,
Ship,
Automatic Control,
Air Conditioning And Refrigeration,
Iot Technology Development And Application,
Operating Import And Export Business,
Planning Of Educational Exchange Activities,
Construction Machinery,
Information System Integration,
Construction Machinery,
Construction Machinery,
Educational Information Consultation,
Cnc Machine Tool,
Non Residential Real Estate Leases,
Economic Information Consultation,
Civilian Drone,
Sw
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