Buyer's Guide · Prepress guide

How to Prepare Print-Ready PDFs for Offset Printing in China (Preflight Checklist)

Short answer: export print-ready PDFs at 3 mm bleed with CMYK color, images at 300 dpi, fonts embedded or outlined, and trim marks offset from the trim line — the 20-point checklist below catches what designers miss most.

Last updated: 2026-10 · 10 min read · By the Renjie editorial team · Includes: 20-point checklist, PDF download

Editor's draft. Structure is final; the hard numbers in this guide are being confirmed against real production data from our plant before publication. Expected figures: 3 mm bleed.

Section outline

Why files fail in China differently · Bleed, trim and safe zone · CMYK vs RGB vs spot · Images · Fonts, marks and packaging · The 20-point preflight checklist

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