Plastic sheets or plates of PC,PMMA,PS,HIPS,PP and PE are widely used in decorating corridors and pavilions, inner and exterior decoration of commercial buildings, screen walls of buildings, and also widely applied to instruments, panels, lights, furbishing, building materials, planes, auto parts, medical equipment, art crafts, insulated materials on electrical appliances, semiconductors, PCs, etc. It is also applied to parts that requires dust-free, statics-free and ESD protection conditions and EMI shielding and RFI shielding. In addition, it can be used as skin packing for foodstuffs, medicines, hardware, electronics and toys, etc.