Fly Circuit Company Limited manufacture PCB. 1~12 layer board material include FR4,CEM1,CEM3,High Tg,Hargon free,especial Al board,used for LED,is our main products now. good quality,good price doing bussiness with 200 companies from europe,canada and usa,we value our relationship as we are happy with them. for more information,please visit www.flycircuit.com , or email us at sunny@flycircuit.com .