-Offer different size and sharp LED lamp accessories -With low price and high quality -OEM service Item ... ,PS,PP,PVC,HDPE,POM etc.2)Mould Cavity: Single or multi-cavities.3)Mould material:Steel1045,P20,Cr12,DC53,H13 ... SystemSoftware for specification drawings:Auto CAD, UG,Pro/E etc LED lamp shade