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Premium Custom Insoles
Manufactured in China

OEM & ODM Insole Solutions Since 2012 | Trusted by Global Brands Like Sidas, VKTRY, Footlogistix

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About 3BU Technology

Founded in 2012 in Dongguan, China — the world’s manufacturing hub — 3BU has grown into a leading custom insole manufacturer with over 12 years of industry expertise. Our 5000㎡ state-of-the-art facility is home to more than 100 skilled professionals, including 10 R&D engineers and 15 quality control specialists.

We specialize in OEM and ODM insole production for global footwear brands, delivering high-performance solutions in EVA, PU, Foam, Orthotic, Carbon Fiber, and Heated insoles. Trusted partners include Sidas, Footlogistix, and VKTRY.

5000㎡
Workshop Area
12+
Years Experience
100+
Skilled Workers
200K
Pairs/Month
Custom Orthotic Insoles

What We Do

From concept to production, we offer end-to-end insole development and manufacturing services with full customization.

Free Insole Design

Share your sketch, idea, or image — our experienced team will turn it into a professional insole design at no cost.

Free Insole Sample

Request a free physical sample of any insole from our catalog to evaluate quality, comfort, and fit before placing an order.

Free Mold Return Policy

Mold fees (starting at just $250/set for EVA & PU) are refunded once production volume targets are met — reducing your upfront cost.

Our Products

We manufacture a wide range of high-performance, customizable insoles for athletic, medical, and lifestyle footwear.

EVA Insole

Custom EVA Insole

Lightweight, durable, and shock-absorbing. Ideal for sports, casual, and safety footwear.

PU Insole

Custom PU Insole

High resilience, excellent cushioning, and long-lasting comfort for premium footwear.

Foam Insole

Shoe Foam Insoles

Soft, breathable, and highly customizable foam inserts for comfort and support.

Orthotic

Orthotic Insole

Medical-grade support for arches, heels, and alignment. Custom-molded options available.

Carbon Fiber

Carbon Fiber Insole

Ultra-light, rigid support for performance footwear. Enhances energy return and stability.

Heat Insole

Heated Insole

Thermal comfort for cold environments. Ideal for outdoor and winter footwear.

Gel Insole

Gel Insole

Maximum shock absorption and pressure relief. Perfect for high-impact activities.

Energy Return

Energy Return Insole

Engineered to return energy with every step. Boosts athletic performance and endurance.

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Our Factory

Located in Dongguan, China — a global manufacturing epicenter — our 5000㎡ facility is equipped with fully automated production lines for PU, EVA, and Foam insoles.

With a monthly production capacity of 200,000 pairs and a dedicated team of over 100 professionals, we ensure precision, consistency, and scalability for every client.

  • Automatic PU & EVA Production Lines
  • In-House R&D and Design Team
  • 15 Quality Control Experts
  • ISO-Compliant Processes

We welcome factory visits at any time to showcase our capabilities and build trust with partners.

Production Capacity

Monthly Output 200,000 Pairs
Workshop Size 5000㎡
Team Size 100+ Staff
R&D Engineers 10
QC Personnel 15

Trusted by Leading Global Brands

Sidas Footlogistix VKTRY

Get in Touch

Ready to start your custom insole project? Contact 3BU Insole Maker today for a free consultation, sample, or quote.

We support OEM & ODM orders of all sizes and offer free design, samples, and mold return programs.

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