LISUN INSTRUMENTS LIMITED 

Goniophotometer, Spectroradiometer, Integrating Sphere, LED Test Instruments, CFL Test Instruments, Photometer and Colorimeter, EMC & EMI Testing, Surge Generator, Electrical Safety Testing, Environmental Test Chamber, IP Waterproof Test Equipment, Dustproof Test Chamber, High and Low temperature Humidity Chamber, Plug and Switch Testing, AC and DC Power Supply.