manufacture ches furnaces powerful sapphire crystal growth equipment for mobile led optical rfic and power electronics.read more our customers use ches furnaces to grow sapphire boules for processing into led solid state ssl lighting mobile device covers and other applications.read more home page new ches 500 furnace for production of massive 300kg sapphire boules arc announces its new ches 500 furnace designed to produce the world s largest sapphire boule of 300kg . target markets include smartphone covers led ssl lighting rfic and power electronics . view all news ches foundations a series of publications showing the fundamental advantages of ches technology and furnaces . series part 1 led manufacturing study on ches sapphire series part 2 sapphire that scales search form search popular pages ches furnaces ches foundations about arc contact us 1 603 883 7500 orinfo arc energy.com.more contact info privacy policy legal notices copyright 2015 arc energy . all rights reserved .