Conference Systems  Manufacturers, Traders, Suppliers

Professional Audio / Visual Manufacturer
Since its establishment in 2015, VISSONIC has been advancing the global audio-visual industry through professionalism and innovation. As a committed practitioner of the “Professional Audio Video Manufacturer” vision, we focus on delivering high-quality, intelligent, and fully integrated AV solutions for parliaments, forums, medium-to-large conference venues, press centers, and other professional meeting environments.
With core products including audio conference systems, video transmission matrices, paperless conference systems, and digital infrared language distribution systems, VISSONIC has served 86 countries, 350+ cities, and nearly 10 million users worldwide. Our solutions have been successfully deployed at the United Nations General Assembly, CICA Summit, Belt and Road Forum, UN COP Biodiversity Conference, as well as in numerous world-renowned universities.
Driven by technological innovation, VISSONIC has independently developed the Audio Link digital transmission protocol, breaking through traditional limitations to deliver fully digital encrypted signal transmission, a network-based daisy-chain architecture, digital simultaneous interpretation, high-fidelity audio, low latency, and synchronized video and control signal delivery — meeting the needs of conferences of various scales and complexities.
In the field of audio transmission, we introduced digital and wireless conference systems with DSP signal transmission, along with highly advanced multimedia conference systems. In video transmission, we have achieved fully visualized video wall processing, ultra-high-definition return display, and full 4K@60 4:4:4 transmission. In the realm of paperless conferencing, we have built a comprehensive and efficient fully digital meeting workflow, enriching the participant experience. Every innovation from VISSONIC drives the industry forward.
To date, VISSONIC has been awarded 120 patents and authoritative certifications, including CCC, CE, RoHS, and ISO9001, making us a trusted partner for clients worldwide. Moving forward, we will continue to combine an international perspective with cutting-edge technologies to deliver more efficient, intelligent, and reliable conferencing experiences — making every communication clearer, faster, and more valuable, driving AV industry innovation, and building a full-scenario audio-visual ecosystem.

Shenzhen Lehman Optoelectronics Technology Co., Ltd. (Securities abbreviation: Lehman Optoelectronics, Securities Code: 300162) was established in 2004. It is the world's leading LED ultra-high definition display expert and China's first LED display high-tech listed company. Lehman Optoelectronics focuses on the 8K ultra-high definition video industry, taking 8K Micro LED ultra-high definition display products based on COB advanced technology as the leader, and jointly creating a full range of LED products and solution ecology. In 2019, Lehman Optoelectronics became a strategic partner in China's space industry.Lehman Optoelectronics has built an LED product ecosystem around high-tech LED products, including Micro LED ultra-high definition display based on COB advanced technology, 5G intelligent conference system, LED full series of solutions, LED intelligent lighting, this beautiful city lighting project, information integration solutions and sports comprehensive operation. Under the background of today's 5G fast coverage era, Lehman Optoelectronics keeps up with the trend of the times and takes 5G + 8K + AI as the starting point to build platforms in smart cities, data center visualization solutions and other fields.