Custom Corrugated Box - Shanghai Yucai factory

Yucai’s corrugated boxes keep your products safe during shipping, also with good moisture-proof even in humid conditions.

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What’s Corrugated Boxes?

A customized corrugated carton of Shanghai Yucai is a protective packaging solution. Corrugated boxes are a common type of packaging material, mainly composed of two parts: the corrugated core in the middle and the outer surface material. The corrugated core is made of paper with wavy patterns, while the surface material is flat paper.

The two part are bonded together to form the main structure of the corrugated box. This special composition method endows corrugated boxes with good cushioning and pressure resistance capabilities, which can well protect the products inside. Whether it is the collision and compression during transportation or the stacking pressure during daily storage, it can play an effective protective role and prevent the product from being damaged.

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Why Choose Yucai Corrugated Box?

As a factory situated in Shanghai, YuCai bring decades of production experience to the table, delivering corrugated boxes of uncompromising and dependable quality for all your packaging needs.
  • Foldable & Easy-to-install

    Feature a smart foldable design paired with hassle-free assembly. These corrugated boxes can be flattened for compact storage and shipping, then quickly folded into shape without extra tools—streamlining your packaging process and cutting down on labor time.

  • Fast production

    Once we finalize the deal, we’ll prepare free samples for you within 1-2 days, including a video to show the size, material, and details. Production will be completed within one week after you confirm the samples.

  • No moq and Bulk Order Discounts

    Unlock lower unit costs as your order volume increases— big batches mean bigger savings, making high-quality packaging accessible for businesses of all scales.

  • Full Color Printing

    Don’t limit your design to one color—with full CMYK printing, you can use as many colors as you need at no extra cost.

Everyone Loves a Free Sample

How does Yucai ensure that your packaging precisely matches your requirements?
  • Design Confirmation and Sample Production

    After finalizing your packaging design plan, we will produce physical samples using the exact materials, dimensions and structural standards specified for mass production. This 1:1 sample replication ensures that the printing is exactly the same as your final order requirements.

  • Comprehensive Inspection, Testing & Revision

    You can conduct a thorough assessment of the sample, including verifying dimensional accuracy, evaluating material texture and checking structural stability. Then test the sample with your actual product to confirm compatibility and fit. We will quickly adjust and optimize the sample according to your modification suggestions, repeating the inspection and testing process until the sample completely meets your expectations.
  • Sample Confirmation & Bulk Goods

    After the sample is confirmed, we will officially start large-scale production. This pre-production sample verification process eliminates potential quality risks from the source, ensuring that the final products fully meets your design standards and usage requirements.

Design Your Sample

Upgrade your custom printed shipping boxes

Shanghai Yucai are able to offer you corrugated boxes in a variety of options to meet your packaging needs.
  • Corrugated Core Material
  • Surface Material
  • Print & Ink
  • Finished
  • A Flute Corrugated

    A flute corrugated boxes are thick,they offer reliable protection against impact and pressure and maintain structural integrity during rough handling.
  • B Flute Corrugated

    B flute corrugated boxes feature medium thickness with fine, dense flutes, delivering excellent printability and surface smoothness at a cost-effective price, especially when reinforced with a coated outer layer.
  • E Flute Corrugated

    E flute corrugated is thin, lightweight, and has ultra-fine flutes that create a sleek, premium surface.It is suitable for luxury gift boxes, food packaging, and small consumer goods containers that aim for a compact, high-end packaging effect.
  • BC Flute Corrugated

    BC flute corrugated boxes combine the advantages of B and C flutes, with balanced thickness, strong crush resistance, they deliver durable protection while allowing for clear, eye-catching brand printing for transit and display.
  • Grey-Backed White Cardboard

    Bright white surface ideal for high-definition CMYK printing and logo branding. The grey backing adds extra sturdiness, balancing visual appeal and structural strength—perfect for e-commerce and premium retail packaging.
  • Kraft Paper

    Natural brown kraft finish exudes a minimalist, sustainable vibe. Resistant to minor scratches and moisture, it’s a cost-effective choice for food, hardware, and bulk shipping applications, aligning with green packaging trends.
  • Coated Art Paper

    Glossy or matte coated surface delivers a luxury, high-end look. Enhances color vibrancy and print sharpness, making it suitable for gift boxes, cosmetic packaging, and brand-focused product presentation.
  • Other Surface Material

    Yucai still have many uncommon surface materials. If you need any, please feel free to contact us. We have all the materials you want
  • Offset Printing

    High-quality printing method that utilizes a printing plate and rubber blanket to transfer designs on paper. Best for large runs.
  • Digital Printing

    Digital printing method that requires no printing plate. Designs are transferred electronically, making it cost-effective for small runs.
  • UV Printing

    Fast-drying printing method using ultraviolet lights to cure inks which results in a gloss finish.
  • Water-based Ink

    Comprised of water and pigment that provides high-quality color output and is 100% eco friendly.
  • Soy _ Vegetable Ink

    100% eco friendly and comprised of soy/vegetable oil and pigment to provide a vibrant color output.
  • Oil Base Ink

    Non-eco-friendly ink comprised of oil and pigment that provides high-quality color output.
  • Pantone Ink

    Pure color based on specific ink formulas to consistenly and precisely print color.
  • Pantone Metallic Ink

    Metallic color based on specific ink formulas to consistenly and precisely print color.
  • Hot Foil Stamping

    Form of relief printing in which foil is transferred to a surface at high temperatures.
  • Cold Foil Printing

    Form of relief printing in which foil is transferred to a surface by pressing onto UV curable adhesives.
  • Blind Embossing

    Form of relief printing in which dies is pressed on the back of the material to form a raised motif.
  • Blind Debossing

    Form of relief printing in which dies is pressed on the front of the material to form a raised motif.
  • Registered Embossing

    Form of relief printing in which dies is pressed on the front of the material to form a raised motif.
  • Combination Embossing

    Combination between embossing and foil stamping. It creates a 3D motif that features a foil finish.
  • Window Patching

    Die-cut shape is layered with plastic film to feature a window showcasing the product inside.

What do our customers say?

  • Initially hesitant about overseas orders, but Shanghai Cai Yi Biao exceeded expectations! Unbeatable quality and price. Professional and a joy to work with. Switched from Uline, now our branded boxes elevate our brand. 10/10!

  • Stunning boxes every time! Great quality, quick shipping, safe packaging. Wendy’s assistance was invaluable. Customers love the packaging. Will keep using this company.

  • Alex Jarrett and her team are extremely kind and professional. They guided us, newbies, in designing custom cosmetic hexagon boxes. The final product was perfect. Looking forward to future collaborations.

  • Shanghai Caiyibiao Packaging is top – notch! Professional, friendly, and affordable. Their service and product quality are outstanding. Highly recommend for all packaging needs.

Frequently Asked Questions

Here are the answers to some common questions. If you want to know more, please feel free to contact us at any time.
  • 1:What is the difference between corrugated and cardboard boxes?

    The main difference between them is the material construction. Corrugated boxes are made of corrugated cardboard with a wavy liner in the center, sandwiched between two layers of flat cardboard for better cushioning and strength. It is suitable for heavy-duty and need to be protected packaging, and is popular in packaging and transportation. Cardboard boxes are usually boxes made of thicker paper, thinner and less durable than corrugated boxes and are often used for lightweight packaging.

  • 2:What corrugated box styles do you offer?

    We have a variety of corrugated packaging styles to choose from. The most popular ones include

    If you don’t see the style you need above, you can contact us and we will arrange our professional engineering team to design the style you need.

  • 3:Can corrugated boxes be customized to fit irregularly shaped products?

    Yes, we offer custom die-cutting to tailor box structures for odd-shaped items, ensuring full protection and brand consistency.

  • 4:Where is your packaging produced?

    Our packaging is produced with our vetted network of suppliers in China and shipped directly from China to your destination.

  • 5:What are your lead times?

    Production typically takes 10-12 days, and 13-15 days for larger volumeorders. Shipping times will depend on the shipping channel youchoose..if fast need them ,could take your order as vip.

  • 6:How long does shipping take?

    Air freight options range from 7-21 days, while ocean freight optionsrange from 26-40 days. lf you need some packaging expedited earlier.consider splitting your shipment between air and ocean!

  • 7:Do different flute types affect packaging cost and protection?

    Thicker flutes (e.g., A-flute) boost protection but cost more; thinner flutes (e.g., E-flute) suit light goods and reduce expenses.

  • 8:Can you provide me with a dieline template?

    Dielines are provided after you’ve placed your order for a sample or production.

  • 9:What format should I provide my artwork to you in?

    Please send us your artwork in a dieline file (PDF or Al format) that canbe edited in Adobe lllustrator. Please keep the dieline as a separatelayer in your Al file, and be sure to follow all of these dieline design tipsto ensure your artwork file is production-ready.

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