... molding 3.Light transmittance: 93% 4.Temperature:-35C--+ 100 top-quality LED light PC/PMMA plastic optical lens:1. Customize ... Mould material:718,2738,S136, SKD61,H13,SKD11,etc, with high hardness.Advanced equipments:precision grinder,milling machine,driller, ... ,projector,ultrasonic welder.20-years-experience professional mould engineers ,with the software:UG,Proe,AutoCad, for product drawing and mold ...