Auto-lock bottom folding carton with die-cut PET window, designed for artisan chocolate and confectionery packaging by Guangdong Bincai Color Printing Co., Ltd. — a Diamond Member on Made-in-China.com with 22 years of manufacturing excellence (founded 2003). The auto-lock bottom mechanism enables rapid assembly — simply push the sides and the bottom locks into place without tape or glue. The die-cut PET window showcases the product while protecting it from dust and handling. Ideal for artisan chocolatiers, bakeries, and premium confectionery brands. Produced on KBA 1050 4-color and Heidelberg 7+1 UV presses across our 18,000 sqm facility. Daily output: 1.7 million color boxes + 220,000+ gift boxes.
Applications
- Artisan chocolate bars, truffles, and praline gift packaging
- Premium confectionery and candy retail display packaging
- Bakery pastry, cookie, and macaron gift box packaging
- Specialty tea and coffee sachet retail packaging
- Gourmet food gift packaging with product visibility window
Customization Options
- Window shape: rectangle, oval, heart, custom die-cut silhouette
- PET window thickness: 0.2–0.5mm with anti-fog or UV-blocking options
- CMYK offset printing with matte, gloss, or soft-touch lamination
- Gold/silver hot foil stamping on carton exterior for luxury branding
- Custom auto-lock bottom geometry for irregular product shapes
- Food-safe aqueous coating or grease-resistant barrier coating
Production Specifications
- Material: 350gsm SBS (Solid Bleached Sulfate) or FBB (Folding Box Board), food-grade
- Printing: KBA 1050 4-color offset + Heidelberg CD 102 7+1 UV for vibrant graphics
- Finishing: Die-cut window, PET film insertion, auto-lock bottom creasing, gluing
- QC: Food contact safety testing, window alignment ±0.3mm, color spectrophotometry
- Certifications: ISO 9001:2015 quality management, FSC-C147399 chain of custody
Quality & Capacity
Built in our 18,000 sqm manufacturing facility with high-speed folder-gluer lines capable of 50,000+ cartons per hour. Our auto-lock folding cartons undergo inline quality checks for crease accuracy, window adhesion, and food safety compliance. With 22 years of experience and expertfold 110 A2 and 145 lines, Bincai delivers precision cartons for both artisan small-batch and high-volume confectionery brands.
