QualificationFocusing on the one-stop service of research and development, design, production, and sales of mainstream audio products!
Five-Star Enterprise Certificate for After-Sales Service Certification 
Excellent Supplier Certificate for Government Procurement 
Certificate of High-Tech Enterprise in China 
Certificate of China Green Environmental Protection Product 
Certificate of Quality Management System Certification 
Certificate of Occupational Health and Safety Certification 
Certificate of Environmental Management System Certification 
Test Report for 12-Inch Professional Speaker 
Test Report for 15-Inch Professional Speaker 
Test Report for Single-Ten Line Array Speaker 
Test Report for Power Sequencer 
Test Report for Feedback Suppressor
