Strong BC-Flute Structure for Demanding Transport
Double Wall Cardboard Boxes For Shipping are made from BC-flute double-wall corrugated board. The combined flute structure creates several paper layers and air spaces inside the board. This construction improves box rigidity while keeping the packaging relatively lightweight.
The boxes are suitable for products that require better compression resistance, cushioning, and stacking stability. They help reduce the effects of vibration, impact, and local pressure during handling and transportation. Typical applications include industrial parts, mechanical components, household appliances, electronic equipment, daily-use products, textiles, and complete product sets.
These boxes can also be used for pallet loading, warehouse storage, long-distance road transport, sea transport, and logistics routes involving multiple transfers.

Printing, Identification, and Warehouse Management
The outer surface can be printed with brand logos, product information, barcodes, handling instructions, shipping directions, and carton marks. These printed elements support warehouse identification, logistics tracking, and batch order management.
The printing layout can be planned according to the carton structure and handling direction. Information such as product model, quantity, destination marks, and operating instructions can be positioned where warehouse and logistics staff can read them easily.
Double Wall Cardboard Boxes For Shipping can also be developed with custom openings and internal layouts to match packing lines, pallet arrangements, or manual loading procedures.

Factory Processing and Quality Control
Hangzhou Boyi New Materials Co., Ltd. provides structural design, material selection, size customization, printing, sample development, and batch production services for paper packaging, protective packaging, and cold-chain packaging projects.
The factory has an operating area of approximately 5,000 square meters. Its equipment includes a corrugated board production line, automatic high-speed folder gluer, automatic box stitching machine, automatic die-cutting machine, printing machine, and high-speed laminating machine. Boxes can be glued, stitched, die-cut, or printed according to the confirmed structure.
Quality control covers incoming materials, production, warehousing, and outgoing goods. Records are maintained for incoming inspection, production sampling, and warehouse sampling. Samples from bulk production are also retained. A full inspection can be arranged before packing, and third-party inspection is accepted.

Sampling, Validation, Packaging, and Delivery
A physical sample can be produced before mass production. Custom sample development can take approximately 5–10 days at the fastest, depending on structural and processing complexity. The usual production period for customized products is 10–15 days.
For international delivery, finished cartons can be protected with plastic wrapping. Production photos or videos can also be provided according to the buyer's requirements.
The actual load capacity cannot be determined by BC flute alone. It also depends on paper grade, board weight, moisture content, carton dimensions, opening design, and sealing method. Before mass production, the sample box should be packed with the actual product. Compression, stacking, drop, or simulated transport testing can then be carried out according to the project requirements.

Product Specifications
|
Parameter |
Specification |
|
Common Flute Type |
BC flute |
|
Board Structure |
Double-wall corrugated composite structure |
|
Size Range |
Length × width × height customized to the product |
|
Strength Configuration |
Selected according to packed weight, stacking layers, and transportation environment |
|
Printing and Processing |
Custom logos, graphics, carton marks, openings, and internal dividers |
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