Footwear Foam Engineering & Custom Manufacturing Since 1981

EVA Footwear Foam Materials & Custom Molded Components Manufacturer

Direct global OEM/ODM manufacturer of high-performance footwear foam materials and precision molded components - Supercritical SCF EVA midsoles, breathable PU orthopedic insole foams, one-piece injection EVA slides, and eco-friendly recycled footwear foam sheets. Engineered for athletic running shoes, outdoor boots, recovery footwear, and casual sneakers with superior energy return, ultra-low density, and lasting flex fatigue resistance.

SUPERCRITICAL EVA MIDSOLE FOAM COMPONENTS AND CUSHIONING SLABS
250,000㎡
Global production area
120+
Foaming & injection molding lines
3
Manufacturing bases (CN / VN / ID)
40+ Yrs
Footwear polymer engineering
About Firefox Foam Footwear Division

Global Footwear Brand OEM / ODM Partner & Sole Material Manufacturer

Quanzhou Firefox New Material Co., Ltd. is an established manufacturer of high-performance athletic, outdoor, and lifestyle footwear foam materials. Operating state-of-the-art production campuses across China, Vietnam, and Indonesia, we provide Tier-1 footwear brands with vertically integrated capabilities - from custom polymer compounding, supercritical nitrogen/CO₂ physical foaming, compression molding (CMEVA/IMEVA), and automated PU pouring to multi-layer insole lamination and high-precision CNC die-cutting.

01

40+ Years Footwear Heritage

Deep expertise in polymer compounding, biomechanical cushioning, and footwear mass production since 1981.

02

Full-Chain Material Matrix

Integrated manufacturing across Supercritical SCF, CMEVA/IMEVA, Polyurethane (PU), and Recycled Foam sheets.

03

High Rebound & Ultra-Light

Industry-leading energy return (up to 75%–85% with SCF) and ultra-low density (0.10–0.28 g/cm³) without packing out.

04

End-to-End Tooling & Testing

In-house 3D CAD/CAM mold development, rapid physical prototyping in 7–10 days, and on-site SATRA standard testing.

FOOTWEAR FOAM MANUFACTURING WORKSHOP
FOOTWEAR FOAM INJECTION MOLDING MACHINE
SUPERCRITICAL FOAMING EQUIPMENT
HIGH PRECISION SPLITTING AND SKIVING LINE
AUTOMATED EVA INSOLE PRODUCTION LINE
COMPRESSION MOLDING HYDRAULIC PRESS
FOOTWEAR LAB QUALITY TESTING APPARATUS
FINISHED FOOTWEAR FOAM PACKAGING FACILITY
Tri-Country Production Footprint

Vertically Integrated Manufacturing in China, Vietnam & Indonesia

To optimize global supply chain resilience, tariff efficiency, and localized production lead times, Firefox operates three dedicated footwear manufacturing campuses spanning over 250,000 square meters with over 120 automated foaming, compression, and injection molding lines.

CN

Quanzhou Headquarters & Innovation Center

Advanced R&D center, supercritical nitrogen foaming reactors, masterbatch compounding facility, precision mold engineering workshop, and SATRA accredited mechanical testing laboratory.

VN

Vietnam High-Capacity Export Facility

Large-scale CMEVA midsole compression molding, high-rebound PU insole pouring lines, and localized supply integration for major athletic footwear Tier-1 assembly factories in Southeast Asia.

ID

Indonesia Molded Slides & Outsole Plant

Specialized in automated one-piece IMEVA injection slides, high-traction lightweight outsole components, and duty-free export logistics for North American and European retail footwear programs.

Advanced Polymer Science

Custom Polymer Compounding & Supercritical Physical Foaming

Every footwear application requires a distinct balance of cushioning, energy return, flex endurance, and specific gravity. Our in-house chemical engineers synthesize proprietary polymer alloys to meet strict brand performance criteria.

Supercritical Physical Foaming (SCF)

Utilizes supercritical N₂ or CO₂ gas as physical blowing agent. Eliminates traditional chemical blowing agents (ADCA) to create uniform closed-cell microcellular structures with up to 80% energy return, 0.12 g/cm³ density, and zero chemical odor.

Compression Molded EVA (CMEVA)

Pre-formed blended EVA billets expanded and compressed under high-tonnage heated hydraulic presses. Delivers tight cell density, superior shape definition, dimensional stability, and customizable Shore C hardness (35C to 65C).

Breathable Open-Cell PU Foams

High-resilience open-cell polyurethane foam systems engineered for high moisture-wicking, perpetual cushioning without bottoming out, and integrated antimicrobial additives for medical and sport insoles.

Why Global Brands Choose Firefox

6 Engineering Advantages for High-Volume Footwear Production

From marathon running shoes to heavy-duty industrial work boots, Firefox footwear foam components consistently outperform conventional EVA and rubber materials across key biomechanical indices.

01

Ultra-Low Density (0.10–0.28 g/cm³)

Drastically reduces total shoe weight, minimizing athlete muscle fatigue while preserving structural integrity and arch support.

02

75%–85% Energy Return (SCF)

Dynamic explosive rebound engineered through microcellular nitrogen expansion, propelling runners with exceptional propulsion efficiency.

03

<4% Compression Set (24h@50℃)

High-resilience closed-cell matrix resists permanent compaction and bottoming out even after 500+ miles of rigorous marathon use.

04

100,000+ Flex Fatigue Cycles

Surpasses SATRA TM161 flex endurance standards without surface cracking, split tearing, or delamination at sub-zero operating temperatures.

05

100% Non-Toxic & Zero VOC

Free of formamide (<10 ppm), heavy metals, phthalates, and DMF. Fully compliant with EU REACH SVHC, RoHS 3, and CPSIA safety mandates.

06

Bio-Based & GRS Recycled Options

Offering sustainable sugarcane-derived bio-EVA formulations and GRS-certified post-industrial recycled footwear foam matrices.

Product Matrix

4 Core Footwear Foam Product Categories

Explore our primary B2B footwear component categories, fully customizable in polymer blend, thickness, density, color matching, surface texture, and physical dimensions.

01 · Supercritical EVA Midsole Components & Cushioning Slabs

Engineered for high-performance athletic footwear, running shoes, and basketball sneakers. Features microcellular nitrogen physical foaming, 0.12–0.18 g/cm³ ultra-light density, >75% energy return, and custom multi-hardness dual-density molding.

02 · Breathable PU & Orthopedic Arch-Support Insole Foam Blanks

Ergonomic contoured footbeds and open-cell breathable polyurethane insole blanks. Ideal for orthopedic corrective footwear, comfort lifestyle sneakers, and heavy-duty work boots with integrated heel cup cushioning and antibacterial top-cloth lamination.

03 · One-Piece Injection Molded EVA Recovery Slides & Outsoles

Seamless mono-material injection EVA cloud slides, recovery clogs, and high-abrasion outdoor sandal outsoles. Manufactured via high-precision multi-cavity injection tooling with anti-slip water-channel tread patterns and pillow-soft 38–45 Shore C comfort.

04 · Eco-Friendly Recycled EVA Footwear Foam Sheets & Outsole Slabs

Continuous skived footwear foam rolls and hydraulic pressed sheet slabs for shoe factory die-cutting. Available in 1.0mm to 50mm thickness, custom diamond/wave tread embossing, and GRS-certified post-industrial recycled formulations for sustainable footwear collections.

Specifications & Testing

Footwear Foam Physical Properties & Technical Data Sheet (TDS)

Representative physical testing values across our four flagship footwear material lines. All test parameters are certified via SATRA / ASTM / ISO standardized laboratory test protocols.

Physical Property Supercritical EVA Midsole Breathable PU Insole Injection EVA Slides Recycled EVA Sheet Test Method
Density / Specific Gravity 0.12 – 0.18 g/cm³ 0.18 – 0.28 g/cm³ 0.16 – 0.22 g/cm³ 0.15 – 0.35 g/cm³ ASTM D3575 / ISO 845
Hardness (Shore C) 42C – 52C (±2C) 30C – 45C (±3C) 38C – 48C (±2C) 40C – 65C (±3C) ASTM D2240
Rebound Resilience (%) ≥ 72% – 82% ≥ 55% – 68% ≥ 58% – 65% ≥ 48% – 58% DIN 53512 / ASTM D2632
Compression Set (22h@50℃, 50%) ≤ 4.5% ≤ 3.8% ≤ 5.2% ≤ 6.5% ASTM D395 Method B
Tensile Strength (MPa) ≥ 2.2 MPa ≥ 1.4 MPa ≥ 1.8 MPa ≥ 2.0 MPa ASTM D412 / SATRA TM137
Split Tear Strength (kN/m) ≥ 2.8 kN/m ≥ 1.8 kN/m ≥ 2.4 kN/m ≥ 2.5 kN/m ASTM D3574 / SATRA TM65
Flex Resistance (SATRA TM161) > 100,000 cycles (No cut growth) > 100,000 cycles > 100,000 cycles > 80,000 cycles SATRA TM161 (-10℃ / 23℃)
Thermal Shrinkage (70℃ × 24h) ≤ 0.8% ≤ 0.5% ≤ 1.0% ≤ 1.2% SATRA TM70
Formamide Content < 10 ppm (Non-Detectable) Zero (Non-Blowing) < 10 ppm < 30 ppm EN 71-3 / GC-MS
Material Benchmarking

Firefox Footwear Foams vs. Alternative Shoe Sole Materials

Compare our engineered footwear polymer solutions against standard compression EVA, vulcanized solid rubber, and conventional low-cost sponge materials.

Evaluation Metric Firefox Supercritical SCF Standard CMEVA Foam Solid Vulcanized Rubber Standard Open Sponge
Weight / Density Ultra-light (0.12 g/cm³) Medium-light (0.24 g/cm³) Heavy (1.10–1.35 g/cm³) Lightweight (0.10 g/cm³)
Energy Return & Cushioning Exceptional (>80%) Standard (45%–55%) Low Rebound (25%–35%) Packs out rapidly (<20%)
Long-Term Compression Resistance High (Maintains cushion >500mi) Moderate (Packs out at 200mi) High elastic retention Very poor (Permanent collapse)
Chemical Blowing Byproducts Zero (Physical N₂/CO₂ Foamed) Contains ADCA residues Sulfur & accelerator traces High VOC / Chemical odor
Forming & Molding Precision Sharp mold fidelity & textures Good mold reproduction Excellent detail definition Poor shape retention
Custom Supply Formats

Flexible Supply Formats for Footwear Manufacturers & Brand Assembly

We supply footwear materials in raw roll stock, precision-skived sheet slabs, 2D die-cut preforms, or fully molded ready-to-assemble 3D midsoles and outsoles.

1. Continuous Skived Rolls

Continuous length foam rolls (1.0m to 1.5m width, 20m–100m length) with precision CNC thickness splitting tolerance down to ±0.15mm for high-speed automated insole and upper backing lines.

2. Flat Hydraulic Sheet Slabs

Standard sheet dimensions (1000×2000mm, 1200×2400mm, or custom dimensions) in thicknesses from 1.5mm to 60mm with single/double side embossed traction textures for die-cut outsoles.

3. 2D CNC Die-Cut Blanks

Computerized blade cut or clicker pressed shoe outsole and midsole blanks pre-shaped to exact brand shoe lasts (US 4–15 / EU 35–48) to eliminate cutting waste at shoe assembly factories.

4. Fully Molded 3D Midsoles

Finished CMEVA or Supercritical SCF midsoles molded to tight tolerances, pre-buffed, primed, and color-gradient painted, ready for direct cement bonding to uppers and rubber outsoles.

5. Fabric-Laminated Insole Sheets

Foam sheets pre-laminated with moisture-wicking mesh, antibacterial BK cloth, velvet, or recycled GRS polyester textiles using eco-friendly water-based hot-melt adhesives.

6. One-Piece Injection Molded Slides

Turnkey finished cloud slides, clogs, and recovery sandals packaged in retail polybags or branded shoeboxes ready for direct global consumer distribution.

Production Workflow

8-Stage Precision Quality Controlled Footwear Manufacturing Process

From raw polymer resin testing to finished container loading, our end-to-end quality assurance system ensures batch-to-batch consistency in density, color, and Shore C hardness.

01

Resin Compounding

Virgin EVA, POE elastomers, and color masterbatches precisely weighed and mixed in internal banbury mixers.

02

Supercritical Foaming

High-pressure physical gas injection or hot-press primary foaming expansion creates uniform microcellular cells.

03

CNC Precision Skiving

Automated bandknife splitting machines shave foam buns to exact millimeter thicknesses with ±0.15mm tolerance.

04

3D Mold Tooling

High-tonnage hydraulic compression or multi-station rotary injection molds form intricate shoe sole profiles.

05

Fabric Lamination

Continuous flame or water-based PU hot-melt lamination bonds breathable, antibacterial fabrics to foam layers.

06

Edge Trimming & Buffing

Automated robotic edging and surface roughing optimize cement bonding adhesion strength for shoe assembly.

07

SATRA In-Line Lab QC

Rigorous batch checks for Shore C hardness, density, rebound rate, tear resistance, and flex fatigue cycles.

08

Export Packaging

Moisture-barrier poly-wrapped rolls or carton packed preforms palletized for high-density ocean container loading.

Custom Engineering

End-to-End OEM / ODM Tooling & Formulation Services

Whether you need custom Pantone color matching, proprietary durometer tuning, or brand-exclusive 3D tooling, our engineering team brings your footwear design concepts to mass production in record time.

Custom Formulation & Hardness Tuning

We formulate custom polymer alloys to meet specific performance envelopes across Shore C 30C to 65C. Whether engineering ultra-cushioned recovery slides (38C) or high-stability trail running midsole stabilization rings (58C), we calibrate dynamic modulus and rebound properties to exact technical drawings.

  • Pantone Color Matching: Exact color replication with ΔE < 0.8 color consistency and UV-resistant anti-yellowing stabilizers (Grade 4–5).
  • Multi-Density Dual Durometer: Co-molded multi-density midsoles combining soft forefoot cushioning with rigid heel support.
  • Custom Surface Textures: Hexagonal grip, wave grooves, knurled micro-textures, and brand embossed logos.

Rapid 3D CAD/CAM Tooling Development

Our in-house mold engineering workshop utilizes 5-axis high-speed CNC machining centers to mill high-grade aluminum and steel compression / injection molds directly from brand CAD / STEP 3D models.

  • 3D Rapid Prototyping: 3D printed sample prototypes delivered in 48 hours for brand fit and visual review.
  • Production Mold Delivery: Full size range production tooling (US 4–15) completed in 15–20 business days.
  • Strict IP & Mold Protection: Confidentiality agreements (NDA) and exclusive customer mold ownership.
Quality Assurance

In-House SATRA Standard Footwear Testing Laboratory

Our on-site physical and chemical testing laboratory is equipped with advanced testing apparatus to certify that all footwear components comply with international footwear brand quality standards.

TEST 01

Ross Flexing Test

SATRA TM161 flex fatigue testing running up to 100,000 cycles at -10℃ and 23℃ to guarantee zero sole cracking.

TEST 02

DIN Abrasion Resistance

DIN 53516 / ISO 4649 abrasion testing measuring material volume loss (<120 mm³) for long outsole wear life.

TEST 03

Ball Rebound Resilience

ASTM D2632 vertical ball drop rebound testing to ensure verified energy return rate across every batch.

TEST 04

Thermal Shrinkage Chamber

70℃ × 24h high-temperature stability testing verifying <1.0% dimensional shrinkage for hot climates.

Compliance & Certifications

Internationally Certified for Global Footwear Export

Our manufacturing facilities and footwear foam materials strictly adhere to international environmental, quality, and consumer safety regulatory standards.

ISO 9001:2015 & ISO 14001

Certified Quality Management and Environmental Management systems ensuring standardized production and environmental compliance across all manufacturing plants.

EU REACH SVHC & RoHS 3

Certified free of 240+ Substances of Very High Concern (SVHC), heavy metals (lead, cadmium, mercury), phthalate plasticizers, and toxic flame retardants.

GRS (Global Recycled Standard)

Third-party verified Global Recycled Standard certification verifying genuine recycled post-industrial content across our eco-friendly footwear foam product lines.

Global Export Logistics

High-Efficiency Container Loading & Protective Packaging

Optimized packaging engineering maximizes container space utilization, reduces international ocean freight costs per pair, and protects materials against humidity and transit damage.

01

Roll Stock Vacuum Packing

High-density vacuum shrink-wrapping in heavy-duty poly woven sleeves prevents moisture absorption and maximizes ocean container cubic capacity.

02

Carton Packed Molded Components

Heavy-duty double-wall corrugated export cartons with PE moisture inner liners, clearly labeled with SKU, size, and barcoding for automated warehousing.

03

Worldwide Freight Options

Flexible shipping terms including FOB Xiamen / FOB Ho Chi Minh / FOB Jakarta, CIF global ports, and DDP to brand assembly warehouses worldwide.

Sourcing Guide

Custom Footwear Foam RFQ Checklist

To receive a fast and accurate factory quotation and technical material recommendation, please prepare the following specifications for your inquiry.

  • 1. Intended Application: Running midsole, casual insole, recovery slides, outdoor outsole, or upper padding.
  • 2. Foam Chemistry: Supercritical SCF EVA, standard CMEVA, open-cell PU, or GRS recycled EVA.
  • 3. Target Hardness (Shore C): Desired durometer range (e.g., 38C–42C for slides; 48C–52C for athletic midsoles).
  • 4. Dimensions & Formats: Sheet dimensions, roll width & thickness, or 2D/3D CAD last files (STEP/IGES).
  • 5. Color & Texture: Pantone color codes, custom gradient specs, or surface embossing pattern requirements.
  • 6. Order Volume & Destination: Projected annual pair volume, initial sample quantity, and target delivery port.
Eco Innovation

Sustainable Footwear Solutions & Closed-Loop Recycling

Firefox is committed to reducing the environmental footprint of the footwear industry through green manufacturing, solvent-free foaming, and bio-based material innovations.

100% Recycled Scrap Re-Compounding

In-house grinding and re-compounding facilities reclaim 100% of internal factory edge trims and skiving scraps into high-performance GRS-certified recycled footwear foam sheets.

Bio-Based Sugarcane Formulations

Renewable carbon footwear foam formulated with bio-based ethylene derived from sugarcane ethanol, lowering product carbon emissions by up to 40% compared to fossil-based polymers.

Zero-Solvent Water-Based Bonding

Eliminating VOC emissions during insole lamination through solvent-free hot-melt polyurethane films and water-based adhesives compliant with ZDHC MRSL standards.

Proven Track Record

Global Footwear OEM / ODM Success Stories

Discover how leading athletic footwear brands, orthopedic medical suppliers, and lifestyle retailers scale their footwear programs with Firefox foam materials.

Athletic Running Brand

Supercritical Midsole for Elite Marathon Shoe

Challenge: Global running brand needed to reduce marathon shoe midsole weight by 25% while increasing energy return above 78% without thermal compaction.

Solution: Firefox engineered a custom nitrogen supercritical SCF EVA formula (0.13 g/cm³, 45 Shore C) delivering 81% rebound and <3.5% compression set.

Outcome: Successfully scaled to 800,000 pairs annually across global retail markets.

Medical Footwear Supplier

Ergonomic Orthopedic Arch-Support Insole

Challenge: European medical footcare brand required breathable, contoured PU insole blanks with permanent arch resilience and antibacterial cloth bonding.

Solution: Developed dual-layer PU composite footbeds featuring high-density heel cups, open-cell breathability, and silver-ion antibacterial top-cloth lamination.

Outcome: Certified under EU medical device standards with zero warranty returns over 2 years.

Global Retail Footwear Chain

One-Piece Injection Molded Cloud Recovery Slides

Challenge: Major US department store chain needed a high-volume supply partner for pillow-soft, ultra-lightweight one-piece recovery slides with high anti-slip traction.

Solution: Developed custom multi-cavity injection molds and 38C cloud-soft EVA formulations across 12 seasonal Pantone colors with rapid 25-day container turnarounds.

Outcome: Delivered over 2.5 million pairs across 3 consecutive retail seasons.

Request Free Footwear Material Swatch Box & TDS Catalog

Get a comprehensive physical sample pack including Supercritical SCF midsoles, breathable PU insoles, injection EVA slide swatches, and hardness comparison blocks delivered to your design studio in 3–5 business days.

Downloadable Technical Documentation

  • Firefox Footwear Foam Complete Product Catalog (PDF, 28 Pages)
  • SATRA TM161 Flexing & DIN Abrasion Laboratory Test Reports
  • EU REACH SVHC & RoHS 3 Heavy Metal Chemical Compliance Certificates
  • Global Recycled Standard (GRS) Footwear Material Scope Certificate
Frequently Asked Questions

Footwear Foam Sourcing & Manufacturing FAQ

Clear, definitive answers to high-frequency procurement, technical, tooling, and shipping questions from global footwear brand developers and factory buyers.

01. What footwear foam materials does Firefox manufacture?
Firefox manufactures a comprehensive matrix of footwear foam materials and molded components including Supercritical Physical Foamed (SCF) EVA midsoles, Compression Molded EVA (CMEVA), Injection Molded EVA (IMEVA) one-piece slides and outsoles, open-cell breathable Polyurethane (PU) insoles, high-rebound Ortholite-type memory footbeds, and GRS-certified recycled EVA foam sheets.
02. What is the difference between Supercritical (SCF) foam and traditional EVA?
Supercritical physical foaming uses pure nitrogen (N₂) or carbon dioxide (CO₂) in a supercritical state as the blowing agent, creating ultra-uniform microcellular structures. Compared to traditional chemically blown EVA, SCF foam is 20%–30% lighter (density 0.12–0.18 g/cm³), delivers significantly higher energy return (>75% vs. 50%), has lower compression set, and produces zero chemical odors or formamide residues.
03. What is the minimum order quantity (MOQ) for custom footwear foam materials?
For standard continuous foam rolls and stock sheet slabs, our MOQ is 500 square meters. For custom Pantone color matching and customized polymer formulations, the MOQ is 1,000 square meters. For custom molded midsoles and injection molded slides requiring dedicated 3D tooling, the MOQ is typically 1,000 to 2,000 pairs per colorway across a full size run.
04. Can Firefox manufacture custom Shore C hardness and density?
Yes. We custom compound foam densities from 0.10 g/cm³ to 0.40 g/cm³ and durometers from Shore C 30C (ultra-plush insole foam) to 65C (firm outsole stabilizing components). Hardness tolerance is strictly held within ±2 to ±3 Shore C across mass production batches.
05. How long does it take to develop custom 3D mold tooling?
Once 3D CAD/STEP last files are approved, physical 3D printed prototypes take 2–3 business days. First-article molded sample pairs from CNC prototype tooling take 7–10 days. Full-scale multi-cavity mass production tooling for an entire size run (US 4–15) requires 15 to 20 business days.
06. Can you match exact brand Pantone colors?
Yes. Our computer-controlled color formulation laboratory utilizes spectrophotometers to achieve precise Pantone / brand color matching with a color delta ΔE < 0.8. We also integrate premium UV-resistant anti-yellowing stabilizers to achieve Grade 4–5 light fastness.
07. What tests are conducted in your footwear laboratory?
Our in-house SATRA-compliant testing laboratory conducts Ross Flexing tests (100,000 cycles at -10℃/23℃, SATRA TM161), DIN Abrasion testing (ISO 4649), vertical ball rebound resilience (ASTM D2632), compression set (ASTM D395), split tear strength (SATRA TM65), and thermal shrinkage (70℃ × 24h, SATRA TM70).
08. Are your footwear foam materials compliant with EU REACH and RoHS regulations?
Yes. All Firefox footwear foam materials are 100% compliant with EU REACH SVHC (free of 240+ hazardous substances), RoHS 3, and CPSIA. Formamide content is strictly tested below 10 ppm (or non-detectable), ensuring complete consumer safety for global retail export.
09. Do you offer Global Recycled Standard (GRS) certified footwear foam?
Yes. We supply GRS-certified post-industrial recycled EVA footwear foam containing 20% to 100% certified recycled content. Transaction Certificates (TC) can be issued for qualifying customer production shipments.
10. What sheet thicknesses and splitting tolerances are available?
We provide precision-skived sheet slabs and continuous rolls from 1.0mm up to 60mm thickness. Automated German-engineered bandknife splitting machinery maintains a tight thickness tolerance within ±0.15mm.
11. Can you laminate fabrics onto insole foam sheets?
Yes. We operate multi-station flame and solvent-free hot-melt adhesive lamination lines to bond athletic mesh, antibacterial BK cloth, velvet, microfiber, or recycled GRS textiles directly to EVA or PU foam substrates.
12. What are your manufacturing locations and shipping ports?
We operate 3 manufacturing campuses across Quanzhou (China, shipping via Xiamen Port), Binh Duong (Vietnam, shipping via Ho Chi Minh Port), and Central Java (Indonesia, shipping via Semarang/Surabaya Port), providing tariff advantages and regional supply security.
13. What is the typical lead time for mass production orders?
For standard roll and sheet material orders, lead time is 10–14 business days. For custom molded midsoles and injection molded slides with existing tooling, production lead time is 15–20 business days from deposit and color approval.
14. Can you provide pre-cut die-cut blanks for shoe factories?
Yes. We offer computerized 2D CNC die-cutting and automatic clicker pressing to deliver pre-shaped shoe sole blanks tailored to your specific brand shoe lasts, eliminating material scrap and cutting labor at your assembly plants.
15. How do you protect customer proprietary shoe designs and mold tooling?
We enforce strict intellectual property protection protocols. All custom molds, CAD data, and proprietary polymer formulations are safeguarded under legally binding Non-Disclosure Agreements (NDAs). Customer-funded molds remain 100% customer property and are never shared or reused.
16. What is the compression set of your high-rebound insole foams?
Our breathable open-cell PU insole foams and high-resilience EVA insoles maintain a compression set below 4.0% (after 22h at 50℃ under 50% deflection per ASTM D395), preventing footbed compaction and bottoming out.
17. Do you support multi-hardness dual-density midsoles?
Yes. We specialize in co-molded dual-density CMEVA midsoles, integrating a softer cushioning foam in the forefoot for shock absorption with a firmer durometer rim or medial post for biomechanical pronation control.
18. How are finished footwear materials packaged for ocean shipping?
Roll materials are vacuum packed in heavy-duty polyethylene sleeves with outer woven protective wrap. Preforms, molded midsoles, and finished slides are packed in heavy-duty double-wall export cartons with moisture desiccant bags, palletized upon request.
19. Can I get free physical samples before placing a bulk order?
Yes. We provide complimentary sample swatch books, material sample cards, and standard pre-molded sample components for qualified footwear brands and manufacturers. Contact our engineering team with your courier account (DHL/FedEx/UPS) for expedited dispatch.
20. How do I request a custom quotation or technical consultation?
You can submit your technical specifications, 2D/3D CAD last files, or physical target samples directly through our Online Contact Form. Our footwear engineering team will respond with a preliminary DFM review and quotation within 24 hours.

Ready to Engineer Your Next-Generation Footwear Line?

Contact our footwear engineering team today for technical material consultation, custom Shore C durometer tuning, rapid 3D mold tooling estimates, or free sample swatches.

Start Your Footwear Project

Partner with a Global Leader in Footwear Foam Innovation

Direct manufacturer pricing, scalable multi-country capacity (CN / VN / ID), and rigorous SATRA standard quality control. Get in touch with our technical team today.

As one of the most experienced footwear suppliers in China, we have world-leading production equipment and strong manufacturing capabilities. Please rest assured to wholesale customized footwear from our factory. For price consultation, contact us.