Professional Audio Equipment Supplier with Own Factories in Hangzhou, Guangzhou, and Shenzhen. Specializing in 4G Broadcasting Systems, BS/CS Architecture, Engineering Speakers, Active Speakers, Wall-mounted Speakers, Ceiling Speakers, Hanging Ball Speakers, Horn Speakers, Lawn Speakers, Professional Stage Speakers, Portable Active Speakers. Trusted Provider for Audio Equipment Brands, Retailers, and Import/Export Traders.