... can be freely adjusted;4)The back board can be insteated by punched hole back board;5)Color and size can be ... )Adjustment of customer’s requires ,such us (Thickness of)Layer board:0.5, 06,0.7,0.8,1.0,1 ... .2mmBack board:0.4,0.6,0.7,0.8,1.0 ... ’s requires, such as 3 layers...5.Side(customized)Single sided or double sided is available6.PriceDue to the specification of customer, competitive ...