Business scope: Processing,
Drone,
Audio Equipment,
Weak Current Integrated System,
Stage Machinery,
Research And Development,
Production And Marketing,
Iot Device,
Sales And Maintenance,
Audio,
Engineering Design Of Audio And Video Integrated Systems,
Video Production,
Video Equipment,
Audio,
Sonic Dispeller,
Electronic Product,
Production,
Import And Export Of Goods Or Technology,
Speakers,
Install,
...