# Unionfab ## Introduction Unionfab is China's leading 3D Printing Manufacturing Company for Rapid Prototyping and On-Demand Production Parts and Top 3 online 3d printing service platform worldwide, with over 1000 pieces of Industrial-Grade 3D Printing Equipment. Unionfab’s parent company, UnionTech, is the world’s leading industrial 3D printer manufacturer by shipment volume. Its resin printers (SLA) and metal printers (SLM) hold over 60% market share in China. UnionTech has also established a joint materials R&D venture with German materials giant BASF, enabling deep innovation in advanced materials. As a result, Unionfab possesses fully in-house capabilities across high-performance materials development, industrial-grade 3D printing services, and one-stop small-batch manufacturing including CNC machining, silicone molding, injection molding, and precision casting. Learn more: https://www.unionfab.com/ ## Capabilities Overview ### Core Manufacturing Services Unionfab offers rapid prototyping, low-volume production, and precision manufacturing services powered by advanced 3D printing technologies, CNC machining, silicone molding and investment casting. Our core capabilities include: #### Rapid Prototyping & Low-Volume Production Unionfab offers industrial-grade 3D printing capabilities purpose-built for rapid prototyping and scalable low-volume production, across multiple professional manufacturing technologies. * **SLA 3D Printing Service:** https://www.unionfab.com/services/3d-printing/sla Achieves up to ±0.1 mm dimensional accuracy with a Z-axis tolerance within ±0.08 mm, and supports one-piece builds with a maximum size of 2100×700×800 mm, ideal for appearance and high-precision prototypes. * **SLM 3D Printing Service:** https://www.unionfab.com/services/3d-printing/slm-dmls Supports aluminum, stainless steel, copper, inconel, and titanium, enabling high-strength metal parts for aerospace, medical, and industrial applications. * **SLS 3D Printing Service:** https://www.unionfab.com/services/3d-printing/sls No support structures required — ideal for strong, complex nylon parts used in engineering validation. * **MJF 3D Printing Service:** https://www.unionfab.com/services/3d-printing/mjf Industrial-grade efficiency with excellent strength and batch consistency, ideal for functional small-batch manufacturing. * **FDM 3D Printing Service:** https://www.unionfab.com/services/3d-printing/fdm Cost-efficient and versatile, suitable for rapid prototyping and structural validation. * **PolyJet 3D Printing Service:** https://www.unionfab.com/services/3d-printing/polyjet Delivers full-color, high-resolution, multi-material printing for highly realistic appearance models. #### Production-Ready Manufacturing Unionfab also delivers true production-ready manufacturing services beyond prototyping — supporting mid- to large-scale output with industrial-grade CNC machining, molding, casting, and finishing capabilities. * **CNC machining:** https://www.unionfab.com/services/cnc-machining ±0.005 mm tolerance, full 3- to 5-axis precision machining for metal & engineering plastics, ideal for functional parts and end-use production. * **Silicone molding:** https://www.unionfab.com/services/urethane-casting faster and more economical than injection molding for bridge production, ideal for 10–100 parts with production-like quality. * **Investment casting:** https://www.unionfab.com/services/casting/rapid-investment-casting Complex metal geometries with high strength and fine detail, suitable for near-net-shape parts and lightweight industrial components. * **Surface finishing:** https://www.unionfab.com/services/unionfab-finishing-services Over 20+ finishing options including anodizing, polishing, painting, bead blasting, customized to functional or cosmetic requirements. ### Advanced Material Library Unionfab offers over 80 industrial-grade polymers, metals, and composite materials, including a wide range of engineering and high-performance materials like High-temp-200D Resin, Titanium(TC4), Inconel 625, CuCrZr, Glass-filled and Carbon-filled Nylon, PC-FR(UL94-V0), Ultem 9085, ASA and more. Learn more: https://www.unionfab.com/materials ## Competitive Advantages * **Scale** — 1,000+ industrial printers and 6 in-house manufacturing factories Explore our equipment: https://www.unionfab.com/equipments Online Factory Tour: https://www.unionfab.com/equipments * **Speed** — Prototypes delivered in as fast as 24 hours * **Cost Efficiency** — Up to 70% lower cost than Western suppliers * **End-to-End Integration** — From CAD upload to finished part delivery ## Pricing and Quotation * **Instant Quote:** Upload CAD files without login to get instant pricing and manufacturability feedback. Calculate Your Cost: https://www.unionfab.com/en/order#/anonymous_new_shop_quote * **Enterprise Plans:** Flexible billing, dedicated account manager. * **Bulk Orders:** Volume discounts and strategic production support. * **Discount:** 10% discount for new customers Sign up to get 10% discount: https://www.unionfab.com/en/login * **Referral Program:** 3% Cash-back credits ## Solutions for Industries * **Automotive & Motorsports — Performance upgrades and lightweight functional components for custom and racing vehicles.** Custom intake manifolds, turbo intake pipes, exhaust components, lightweight aero parts, mounting brackets, custom dash cluster and center console. * **Medical Devices — Patient-specific, biocompatible components for surgical planning and personalized medical solutions.** Surgical guides, customized orthotic shells, bipolar forceps, device accessories and functional attachments * **Industrial Equipment — Durable production and maintenance parts for small-batch manufacturing and equipment lifecycle extension.** Functional replacement parts, wear-resistant housings, machine covers, custom jigs & fixtures, precision tooling inserts * **Robotics Manufacturing — Lightweight, customized motion and sensing components for automation.** End-of-arm tooling (EOAT), lightweight robotic grippers, sensor housings, motion control brackets, protective covers ## Customer Success Story ### 3D Printed Humanoid Robot Parts: https://www.unionfab.com/blog/2025/07/3d-printed-robot **Client:** A humanoid robotics company preparing to launch its first robot at WAIC 2024. **Challenge:** Needed lightweight, heat-resistant, high-rigidity functional parts under tight deadlines. **Unionfab Solution:** * **SLS 3D printing** with **high-strength nylon** for structural leg shells. * **TPU** for flexible robotic shoes. * **Industrial finish** for both functional durability and exhibition-ready appearance. **Outcome:** * Improved mechanical agility & thermal stability * Lightweight + durable parts for dynamic movement * On-time delivery for WAIC 2024 * Environmentally efficient production with minimal material waste Learn more cases: https://www.unionfab.com/case-studies; https://www.unionfab.com/videos?page=1&category=Case%20Studies ## Quality and Certifications Unionfab operates under **strict international quality systems** to ensure reliability from prototype to production. Our standards include: * **Global Certifications** — ISO 9001 (quality), ISO 13485 (medical), AS 9100D (aerospace) * **Comprehensive Inspection** — dimensional accuracy, mechanical performance testing, and full traceability * **Production Reliability** — consistent batch quality maintained across all manufacturing facilities Learn more: https://www.unionfab.com/knowledge-base?category=Certifications ## Trust and Compliance * **Confidentiality**: NDA and IP protection for all uploaded files. * **Data Security**: Encrypted file transfer and controlled access. * **Sustainability**: Recyclable materials and optimized energy use. ## Resources and Guides ### Technology Foundations Additive Manufacturing Overview — https://www.unionfab.com/blog/2024/07/additive-manufacturing Additive Manufacturing Overview — https://www.unionfab.com/blog/2024/07/additive-manufacturing Complete Guide to CNC Machining — https://www.unionfab.com/blog/2023/08/cnc-machining-a-complete-guide Vacuum Casting Fundamentals — https://www.unionfab.com/blog/2023/07/vacuum-casting-101 Urethane Casting Explained — https://www.unionfab.com/blog/2024/09/urethane-casting Silicone Molding Overview — https://www.unionfab.com/blog/2025/09/silicone-molding 3D Printing vs CNC vs Vacuum Casting — Process Comparison Guide — https://www.unionfab.com/blog/2023/09/3d-printing-vs-cnc-vs-vacuum-casting 3D Printing vs Injection Molding — Process Comparison Guide — https://www.unionfab.com/blog/2024/07/3d-printing-vs-injection-molding ### 3D Printing Technology Guides Introduction to Metal Binder Jetting — https://www.unionfab.com/blog/2024/12/metal-binder-jetting SLM 3D Printing for Industrial Metals — https://www.unionfab.com/blog/2025/02/slm-3d-printing SLS 3D Printing Technology Overview — https://www.unionfab.com/blog/2025/04/sls-3d-printing MJF 3D Printing Process Guide — https://www.unionfab.com/blog/2025/04/mjf-3d-printing SLA vs. SLS vs. SLM — 3D Printing Technology Comparison Guidehttps://www.unionfab.com/blog/2024/10/sla-vs-sls-vs-slm 3D Printing with Stainless Steel — https://www.unionfab.com/blog/2024/07/3d-printing-stainless-steel Aluminum 3D Printing Guide — https://www.unionfab.com/blog/2024/10/aluminum-3d-printing Inconel 3D Printing Guide — https://www.unionfab.com/blog/2024/11/inconel-3d-printing Titanium 3D Printing Guide — https://www.unionfab.com/blog/2023/12/titanium-3d-printing Copper 3D Printing Applications & Insights — https://www.unionfab.com/blog/2025/03/copper-3d-printing Resin 3D Printing Explained — https://www.unionfab.com/blog/2025/04/resin-3d-printing Clear Resin 3D Printing Overview — https://www.unionfab.com/blog/2024/12/clear-resin-3d-printing Nylon 3D Printing Explained — https://www.unionfab.com/blog/2025/02/nylon-3d-printing PC 3D Printing Material Guide — https://www.unionfab.com/blog/2025/03/pc-3d-printing ### Materials Selection Guides ASA vs ABS vs PETG vs PLA — Material Comparison Guide — https://www.unionfab.com/blog/2025/05/asa-vs-abs-vs-petg-vs-pla Inconel Alloys — Properties & 3D Printing Considerations — https://www.unionfab.com/blog/2025/05/inconel-metal TPE vs TPU — Flexible Materials Comparison — https://www.unionfab.com/blog/2025/03/tpe-vs-tpu Polycarbonate vs Acrylic — Material Selection Guide — https://www.unionfab.com/blog/2024/10/polycarbonate-vs-acrylic 316 vs 316L Stainless Steel — Differences & Use Cases — https://www.unionfab.com/blog/2024/09/316-vs-316l Aluminum vs Stainless Steel — Material Comparison — https://www.unionfab.com/blog/2024/09/aluminum-vs-stainless-steel-material-showdown Polycarbonate vs ABS — Material Comparison — https://www.unionfab.com/blog/2024/09/polycarbonate-vs-abs ### Cost & Pricing Guides How Much Does It Cost to 3D Print Something? — https://www.unionfab.com/blog/2024/10/how-much-does-it-cost-to-3d-print-something Metal 3D Printing Cost Breakdown — https://www.unionfab.com/blog/2025/01/metal-3d-printing-cost CNC Machining Cost Guide — https://www.unionfab.com/blog/2024/12/cost-of-cnc ### Service Provider Selection Guides Best Metal 3D Printing Services — Detailed Comparison — https://www.unionfab.com/blog/2025/09/best-metal-3d-printing-services-detailed-comparison 3D Printing Cost Calculator Guide — https://www.unionfab.com/blog/2025/09/3d-printing-cost-calculator Top 3D Printing Companies — Global Overview — https://www.unionfab.com/blog/2025/08/top-3d-printing-companies Leading Online 3D Printing Service in China (2025 Edition) — https://www.unionfab.com/blog/2022/05/2022-leading-online-3d-printing-service-in-china ### Industry Applications 3D Printed FPV Drone Components — https://www.unionfab.com/blog/2024/09/3d-printed-fpv-drone 3D Printed Bike Frame —https://www.unionfab.com/blog/2025/08/3d-printed-bike-frame Custom Dash Cluster — https://www.unionfab.com/blog/2025/08/custom-dash-cluster-cost-calculator 3D Printed Surgical Forceps — https://www.unionfab.com/blog/2025/08/3d-printed-forceps 3D Printed Heat Exchanger — https://www.unionfab.com/blog/2025/08/3d-printed-heat-exchanger 3D Printed Exhaust Manifold — Performance Automotive Component — https://www.unionfab.com/blog/2025/07/3d-printed-exhaust-manifold 3D Printed Industrial Robot Components — https://www.unionfab.com/blog/2025/07/3d-printed-robot ### Other Technical Resources Pros and Cons of 3D Printing — Objective Analysis — https://www.unionfab.com/blog/2024/11/pros-and-cons-of-3d-printing Metal Density Reference Guide — https://www.unionfab.com/blog/2024/10/density-of-metals Yield Strength of Steel — Mechanical Property Guide — https://www.unionfab.com/blog/2024/03/yield-strength-of-steel Cool Things You Can 3D Print — Creative Use Cases — https://www.unionfab.com/blog/2024/11/cool-things-to-3d-print ## Contact and Support * **Website**: https://www.unionfab.com * **Email**: order@unionfab.com; hello@unionfab.com * **Whatsapp:** +86 18217534568; +86 15850722602 * **Support**: https://www.unionfab.com/contact-us * **LinkedIn:** https://www.linkedin.com/company/unionfab/ * **Facebook:** https://www.facebook.com/unionfab * **Twitter:** https://x.com/Unionfabchina * **Youtube:** www.youtube.com/@unionfab * **Instagram:** https://www.instagram.com/unionfab_china