Full-Overlap Corrugated Mailer for Heavy-Duty Industrial Parts Shipping

Heavy-duty full-overlap slotted container (FOL) engineered for industrial parts shipping — manufactured by Guangdong Bincai Color Printing Co., Ltd., a Diamond Member on Made-in-China.com, Audited Supplier with 23 years of experience. The full-overlap design extends all top and bottom flaps to the full depth of the box, creating a double-thickness top and bottom that dramatically increases stacking strength — critical for warehouse palletization and container shipping. Double-wall BC or EB flute construction absorbs shock and vibration while maintaining edge crush resistance. Ideal for automotive components, machinery replacement parts, metal fabrications, and heavy industrial goods. Produced on KBA 1050 4-color flexo and Heidelberg 7+1 UV presses across 18,000 sqm factory (10,000+8,000 sqm smart factory).

Applications

• Automotive spare parts and component shipping — brake rotors, calipers, suspension arms, transmission gears (15–40 kg range)
• Industrial machinery replacement part distribution — bearings, seals, hydraulic cylinders, pump assemblies
• Metal fabrication and casting transport — machined castings, weldments, sheet metal stampings, CNC-machined parts
• Heavy equipment accessory packaging — excavator buckets, forklift tines, agricultural implement parts
• B2B wholesale and distributor fulfillment — bulk part shipments to regional distribution centers
• Warehouse-to-retail bulk shipment containers — palletized unit loads with 4-high stacking capability
• Military and defense specification packaging — MIL-STD-2073 compliant for tactical equipment and spare parts
• Oil and gas industry — drill bits, valve assemblies, pipeline fittings for offshore/onshore supply
• Renewable energy — wind turbine bearing housings, solar panel mounting brackets, battery storage components
• Construction equipment — hydraulic breaker chisels, concrete mixer parts, scaffolding connectors

Customization Options

• Flute: single-wall B/C/E flute (3–5mm), double-wall BC/EB (6–10mm), or triple-wall (12–15mm)
• Liner: kraft (standard), white-top kraft for printing, test liner, or semi-chemical fluting
• Printing: 1–4 color flexo printing on exterior; full CMYK offset label option
• Coating: water-resistant wax coating, moisture barrier, or VCI (volatile corrosion inhibitor) for metal
• Interior: custom die-cut foam insert (PE, EVA, PU), corrugated partitions, or molded pulp cushion
• Closure: gummed paper tape, reinforced water-activated tape, or heavy-duty staples
• Perforation: tear-strip opening for easy recipient access without tools
• Hand-holds: die-cut hand holes with reinforcement for manual handling
• Size: custom from 200×150×100mm to 1200×800×800mm
• Certifications: ISTA 3A transit testing, UN dangerous goods packaging upon request

Production Line & Equipment

• Corrugator: BHS 2.5m high-speed corrugator with automatic reel splice and slitter-scorer — runs double-wall BC/EB at 250 m/min; integrated moisture control and web tension monitoring
• Flexo Printing: 4-color flexographic press with inline rotary die-cutter and automatic stacker — printing on kraft, white-top, or coated liners at up to 1200×2400mm sheet size
• Rotary Die-Cutting: Automatic rotary die-cutter handling up to 2500×1500mm sheets — ±0.5mm registration accuracy; quick-change die modules for production flexibility
• Flatbed Die-Cutting: Bobst SP 162 CER for heavy-duty double-wall and triple-wall corrugated — 11,000 sheets/hour with ±0.2mm precision
• Folder-Gluing: Automatic folder-gluer with stitch, tape, and cold-glue application — inline barcode scanning and ejection for defective units
• Stitching: Heavy-duty wire stitcher for triple-wall and export-spec containers — galvanized steel wire, 3-5 stitches per flap
• Quality Lab: BCT (Box Compression Tester) — 50 kN capacity; ECT (Edge Crush Tester) per TAPPI T-811; burst strength tester per TAPPI T-810; drop tester with 2.0m capability; vibration table for ISTA simulation

Quality Assurance

• ISTA 3A package performance testing available for drop, vibration, and compression — full test report provided with every new design
• TAPPI T-811 edge crush resistance (ECT) — target ≥32 lb/in for single-wall, ≥48 lb/in for double-wall BC
• TAPPI T-804 box compression test (BCT) — minimum 5:1 safety factor for expected pallet load
• TAPPI T-810 burst strength (Mullen) — ≥200 psi for single-wall, ≥275 psi for double-wall export grade
• ISO 9001:2015 certified quality management system with full batch traceability — raw paper lot → corrugator run → print batch → die-cut → assembly → pallet → ship
• FSC Chain-of-Custody certification (FSC-C147399) — sustainable paper sourcing verified at every stage
• Inline moisture content monitoring during corrugation — target 6-8% for optimal flute formation and bond strength
• Pin adhesion testing per TAPPI T-821 — ≥48 lb/ft for delamination resistance in high-humidity shipping
• Cobb test (TAPPI T-441) for water absorption — optional water-resistant coating for outdoor or refrigerated supply chains
• Free ISTA 3A transit simulation testing with every new structural design
• AQL 2.5 sampling inspection on finished goods; 100% inspection on export-critical palletized shipments
• Lead time: 5–10 days for tooling/mold creation + 10–20 days mass production; expedited 7-day rush available

Related Resources

• Corrugated Mailer Design Guide: Flute Types, Board Grades & Structural Engineering → — Technical guide covering flute selection, board grade optimization, FOL vs HSC structural trade-offs, and ISTA testing protocols for industrial shipping applications.
• Explore All Corrugated Mailers → — Browse our full corrugated shipping range: heavy-duty double-wall mailers, lit mailers, wine shippers, and custom die-cut partitions.

Factory & Manufacturing Capabilities

• 23 years of corrugated packaging expertise since 2003 — serving automotive, industrial, aerospace, and heavy equipment sectors
• 18,000 sqm dual-factory (10,000 sqm main factory + 8,000 sqm smart factory commissioned 2025) in Foshan, Pearl River Delta
• BHS 2.5m Corrugator: High-speed double-wall production — BC, EB, and triple-wall configurations to 15mm
• German & Swiss equipment: BHS corrugator (Germany), Bobst SP 162 CER flatbed die-cutter (Switzerland), Bobst Ambition folder-gluer
• 80+ skilled workers across 3 shifts — dedicated structural engineering team for custom FOL/FTC/HSC designs
• 1.7 million boxes/day total output; dedicated corrugated line capacity of 300,000+ industrial mailers daily
• 200+ global industrial brands served including automotive OEMs, heavy machinery manufacturers, and defense contractors
• One-stop corrugated solution: structural design (ArtiosCAD) → paper sourcing (FSC) → corrugation (BHS) → printing (flexo/litho) → die-cutting (rotary/flatbed) → gluing/stitching → QC (ISTA lab) → palletization → export logistics
• Export to 60+ countries — experienced in FCL/LCL container loading, pallet optimization, and export documentation
• Diamond Member on Made-in-China.com, Audited Supplier

Ready to Start?

Send us your product weight and dimensions — get a same-day structural design proposal with ISTA 3A transit simulation. Our structural engineering team uses ArtiosCAD to design your FOL mailer within hours, and our in-house ISTA lab validates drop, vibration, and compression performance at no charge with your first order. BHS 2.5m corrugator, Bobst SP 162 CER die-cutter, 23 years of industrial packaging — 200+ global brands served. → Get your design proposal