URKUNDE certificate
Technology and Technology
Product certification cert
Mid-range audio patent
IF effect sound patent
Shadow K sound system pate
Audio patent
Line array audio patent
Labyrinth subwoofer patent
Rear-guided sound patent
Large outdoor line array a
Contact: Mr. Lei
Phone: 18688908568
Tel: 020-86718865
Email: 657645915@qq.com
Add: Weidian Audio Industrial Park, No. 7 Jianzhong Road, Chishua, Huadu District, Guangzhou, China