National Standards of the People's Republic of China - Books, Magazines, and Format Sizes

Series Uncut Sheets Sizes Cut to Open Numbers No. Nominal Size A 880×1230 16 A4 210×297 880×1230 32 A5 148×210 880×1230 64 A6 105×144 900×1280 16 A4 210× 297 900×1280 32 A5 148×210 900×1280 64 A6 105×144 B 1000×1400 32 B5 169×239 1000×1400 64 B6 119×165 1000×1400 128 B7 82×115