Supplier Guide
How to Evaluate Custom Packaging Suppliers in China
A practical factory verification framework for buyers sourcing custom cartons, bags, gift boxes, and protective packaging from China.
Quick Answer
Evaluate custom packaging suppliers in China by checking production equipment, sample quality, communication on specifications, export experience, and problem-solving ability—not only unit price. Custom packaging fails when suppliers misunderstand structure drawings or print tolerances.
Step 1: Match Supplier to Product Line
Paper bag specialists differ from rigid gift box factories and corrugated mailer producers. Shortlist suppliers whose portfolio cases match your packaging type.
Step 2: Review Equipment and Capacity
Offset presses, die-cutters, laminators, mounting lines, and gluing equipment determine what a factory can actually produce. Ask for equipment list and maximum sheet size.
Step 3: Sample and Proofing
Request white samples, printed proofs, and structural tests before production. Confirm color, registration, board stiffness, and insert fit.
Red Flags
Vague MOQ answers, unwillingness to share factory photos, no export references, and inability to explain material substitutions.
PackTrades Recommendation
Use PackTrades manufacturer profiles to compare equipment, certificates, factory media, and product lines before sending a structured RFQ with dimensions, print files, and quantity.