As we following ,
I: steel frame material is 1.5mm（16Ga） thickness cold rolling steel.and the paint is Japanese Brand meanwhile cooperation.
J: All the hardware should be UL certificated fire rating.
k: Hardware all exposed parts will be stain stainless steel finish
l: HPL will be usd 1.0mm as cus color
M:hollow chipboard with E1 .CAB certificate
N:MDF with E1 CAB cerfiticate
O: PVC 4 side cover edge with E0 glue