Shanghai Triolion Science & Technology Co., Ltd. founded in 2000, is aprofessional manufacturer of large-screen display devices.Besides 3 branches and 6 subsidiaries located in China's major cities,Triolion has its own factory in Shanghai (Shanghai Triolion Opto-Tech.CO., LTD.), which mainly produces and processes DLP Video Wall, LCD Video Wall, multi-screen processor and matrix switcher. As a major OEM / ODM supplier, Triolion also provides projection engine, projection screen,LCD control box and other large-screen system components.With more than 10 years experience, high quality, reasonable price andconsiderate service, Triolion has won wide recognition all over the world.