Ruiten company sell ceramic chip from year2004 and we do cereamic chip ourselves  now,do aligned side or unligned chip as customer request, a few size for you choose, 40x3.3mm,43x3.3mm,44mm onctangle chip, 68x48x3.8mm. 85x53x3.8mm,85x53x3.8mm octangle chip for you choose, can add uv  and sereies as  you need.