professional audio guangzhou songlai audio co., ltd. has long supplied paperless conference systems, multimedia conference systems, audio and video systems and supporting equipment. it has independently established the brand songlai audio, integrating r&d, production, direct sales and logistics and distribution. the manufacturer supplies spot stocks. the equipment quality is reliable, the sound quality is good, environmentally friendly, stable, cost-effective, transparent, and perfect service. welcome to call 18620731913. 1 industrial research 30 strip
