LISUN is the Leader in Lighting and Electrical Test Instruments. Our main products are LED Test Instruments, Goniophotometer, Integrating Sphere, Surge Generator, EMI Receiver, Environmental Chamber, IP Waterproof Tester, Dustproof Test Chamber, Temperature Chamber. LISUN supply the Test Instruments and Solutions for LED lighting, Mobile and Network, Automotive Electronics, Household Applicances, Plug & Switch.