Paper Size Standards
China’s commonly used paper standards include international standards (A, B, C series) and traditional domestic standards (Regular and Large sizes).
1. International Standards(A, B, C Series)
Standard Reference: ISO-216
A Series: Mainly used for office work, publishing, and printing (e.g., A4 printing paper, A3 design drafts).
B Series: Mainly used for books, posters, and magazine covers, slightly larger than the A series.
C Series: Mainly used for envelopes and document folders, with sizes between the A and B series to accommodate corresponding A series paper.
2. Traditional Chinese Paper standards
Standard Reference: GB/T 24223—2009 (Printing Industry Use)
Regular Size (787 × 1092 mm)
Used for books, exam papers, general printing
Slightly smaller than A series
Large Size (889 × 1194 mm)
Used for magazines, flyers, packaging printing
Slightly larger than Regular Size
Common Paper Sizes (Folio Format)
The following are Regular and Large paper dimensions after different cuts:
Features: 2-folio, 4-folio, 8-folio, and 16-folio sizes are proportionally cut from full sheets.
16-folio is close to A4 size, while 32-folio is close to A5 size.
By cutting and folding in a specific proportion, different paper sizes can be obtained to meet various printing needs.