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Bring Premium Value to Your Brand with a Trusted Custom Packaging Manufacturer
When solid paperboards bend under heavy warehouse loads, corrugated engineering takes over. Consequently, global supply chains rely on custom flute corrugated paperboard to form their protective shipping barriers. First of all, the internal wave-like fluting creates thousands of continuous architectural arches that distribute vertical crushing forces evenly. Secondly, the trapped air columns absorb sudden side impacts during transport. As a result, you achieve lightweight, cost-effective logistics containers that yield incredible structural integrity without adding unnecessary freight weight.
Micro-flute luxury cosmetic boxes, sleek inserts
Standard subscription mailer boxes, retail countertops
Heavy canned goods, beverage carriers, internal dividers
Standard industrial shipping master cartons, heavy freight
HeUltra-heavy machinery parts, international sea freight
We break the stereotype that structural boxes must look boring. We supply colored corrugated cardboard panels in four distinct aesthetic bases.
The unbleached, rustic standard. It features raw wood fibers that instantly communicate a rugged, organic, and highly sustainable brand narrative.
A clean, crisp foundation. Perfect for medical devices, high-end consumer goods, or brands that want vibrant, full-surface colorful printing on the interior flaps.
Deep, continuous obsidian color that runs entirely through the liners and internal fluting. It eliminates white lines at the edges, offering a highly premium, stealth look for luxury electronics.
Deep, continuous obsidian color that runs entirely through the liners and internal fluting. It eliminates white lines at the edges, offering a highly premium, stealth look for luxury electronics.
We laminate high-definition printed SBS paper directly over the corrugated walls. This allows your shipping containers to display photo-realistic imagery on the outside while maintaining maximum drop protection.
Deploy elegant F-flute or E-flute black corrugated boxes to cradle delicate glass perfume jars safely while offering a high-end, matte unboxing feel.
Ship seasonal clothing lines in bleached white corrugated mailers that repel humidity and resist tearing along the automated postal conveyor belts.
Secure heavy digital devices and sensitive screens inside custom-die-cut B-flute grid dividers that arrest internal product shifting during turbulent flights.
Utilize high-speed, self-sealing E-flute corrugated mailer boxes to streamline warehouse packing speeds while offering consumers a clean, pull-tab opening experience.
For standard subscription mailers, we highly recommend utilizing E-flute corrugated board (~1.5 mm thickness). Because E-flute provides a highly flat, smooth outer surface for sharp logo printing while offering excellent crush resistance. As a result, your graphics look incredibly crisp, and the box retains its sharp, rectangular shape perfectly through the postal mail stream.
Single wall board consists of a single layer of fluted paper sandwiched between two flat linerboards. Conversely, double wall board joins two separate fluted mediums with a middle liner sheet, totaling five paper layers. Therefore, we deploy single wall for standard retail mailers and reserve double wall (like BC-flute) for heavy industrial components exceeding 15kg.
No, our premium colored panels maintain absolute color fastness. Unlike factories that spray cheap, water-soluble ink over finished boards, we utilize core-dyed pulp or apply high-performance UV-cured inks. Consequently, the rich pigments lock into the cellulose fibers permanently, ensuring the color never rubs off onto your valuable products or hands.
Yes, we achieve this through an engineering technique called litho-lamination. First of all, we print your intricate spot UV, embossing, or hot foils onto a separate sheet of smooth coated paper or ivory board. Secondly, our automated machinery laminates that printed sheet directly onto the raw corrugated fluting. Subsequently, you get a box with the strength of a tank and the appearance of a luxury boutique carton.
Our corrugated materials are 100% compliant with strict global environmental regulations. First of all, we source our linerboards from FSC-certified sustainable timberlands. Moreover, we bind the fluted layers together using a completely non-toxic, edible cornstarch-based adhesive. Therefore, the entire container remains fully biodegradable and easily recyclable in any domestic curbside bin.
We test structural stamina using two primary international metrics: ECT (Edge Crush Test) and BST (Bursting Strength Test). ECT measures the vertical stacking strength of the board, which tells us how many boxes can safely stack on top of each other in a shipping container. Subsequently, BST calculates the material’s resistance to rupturing or puncturing when subjected to sudden internal or external impacts.
Get in touch with a Gerun structural specialist to configure your packaging solution. Whether your upcoming campaign requires a specialized deep profile, corrugated paper packaging, or flat-pack engineering to reduce freight costs, we deliver accurate quotes within 24 hours. Complete the form below to claim your structural consultation and custom dieline blueprint.
Tel：+86 13723475723
Add：building 10, zone 14th, taoyuanju, xixiang street, Bao'an district, Shenzhen, 518126, China
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