The Polystyrene diffusion plate is produced with 100% brand new raw material and GUTU TEK patent scientifical match formula diffusing agent.These raw material is from famous company at demostic and Japan. Such as FCFC,CHIMEI,CNPC,MITSUBISHI and LG. The normal available PS big sheet is 1170*1170mm,1200*1200mm, and 1200*2400mm,thickness is from 0.6mm-2.0mm,the transmittance of the diffuser sheet in transmissivity tester is from 38% to 87%,and in sphere test equipment is around 64%-90%;other size,thickness and transmittance could be customized,also the small size and shape could be processed at our own factory.With milky white and matt appearance,transparent and glossy apperance for option base on different application.