Unionfab

ServiceShanghai, ChinaFounded 2014· One of 2075 Service companies tracked by AMPulse

Provides on-demand 3D printing manufacturing services for rapid prototyping and production parts with a fleet of 1,000+ industrial printers.

CEO / Founder: Allen Yang
Team Size: 51-200
Stage: Active
Total Funding: $30M
Latest Round: Series D
Key Investors: Dening Capital; Cash Capital; Yingke PE; Dragonrise Capital Advisors; Evonik Venture Capital; Luhe Venture Capital

Technology & Products

Key Products

3D printing (SLA, DLP, FDM, SLM, MJF, PolyJet, SLS, Binder Jetting, Large Scale Printing, Metal 3D Printing); CNC machining (turning, milling, routing, grinding, drilling, EDM, wire EDM, multi-axis); Casting (rapid sand, rapid investment); Plastic Part Production; Injection molding; Reaction injection molding; Vacuum/urethane casting; High-end model customization; Finishing (polishing, painting, plating, dyeing, silk screening, laser marking, shot peening, sand blasting, flocking, vapor smoothing, CNC finishing); Sheet Metal Fabrication

Technological Advantage

Proprietary online platform for AI-driven quoting and order management; strategic R&D partnerships with Evonik and BASF for high-performance materials.

Differentiation

Value Proposition

Offers 70% lower costs than EU/US providers and 1-day lead times through a massive distributed manufacturing network and AI-driven quoting.

How They Differentiate

3x-4x cost advantage (70% cheaper) over Western service bureaus; significantly higher throughput via 1,000+ machines vs typical service bureaus.

Market & Competition

Target Customers

Startups to Fortune 100 companies requiring rapid prototyping or mass production parts.

Industry Verticals

Automotive; Industrial; Art & Sculpture; Consumer Products; Medical; Robotics; eVTOL & Drones

Competitors

Wenext; Bright Laser Technologies (BLT); Xometry

Growth & Milestones

Growth Metrics

2M+ parts produced/year; 80,000+ customers served; 1400+ industrial equipment; 10 proprietary smart factories; 400+ CNC machines; 170+ countries covered

Major Milestones

2014: Became 1st Chinese factory to apply 3D printing to rapid casting; 2015: Developed digital management system; 2017: Established automated 3D printing production line; 2019: Established three super factories with 400 printers + 200 CNC; 2021: Strategic partnership with Evonik and BASF; 2024: Reached 800+ machines, ISO13485 certified, GJB certified; 2025: Expanded to 6+ factories; May 2026: Expanded CNC machining support in Germany, US and Canada; May 2026: Reduced low-volume metal parts production from 30 days to 5 days

Notable Customers

Siemens; Treatstock; Schneider Electric; Tesla; Huawei; JAC

https://www.unionfab.com

Recent coverage of Unionfab

Why this company matters

Unionfab positions itself as Asia's largest on-demand 3D printing manufacturer, targeting a gap between expensive, slow Western service bureaus and lower-quality local options. By aggregating a fleet of 1,000+ industrial printers across five mega-factories in China, the company claims 70% lower costs and one-day lead times compared to EU and US providers. This scale-driven model aims to serve both rapid prototyping and production runs for global customers.

The company's core offering is an online platform with AI-driven quoting and order management, covering a wide range of processes: SLA, DLP, FDM, SLM, MJF, PolyJet, SLS, and binder jetting for polymers and metals. Beyond 3D printing, Unionfab provides CNC machining, casting, injection molding, and finishing services. Strategic R&D partnerships with Evonik and BASF support development of high-performance materials tailored to industrial applications.

Unionfab serves startups to Fortune 100 companies, with named customers including Tesla, Huawei, and JAC. Key verticals are general manufacturing, automotive, cooling, and electronics. The company reports processing 3,000+ orders daily, producing 2 million parts per year, with over 95% on-time delivery and less than 0.5% quality complaints. Its parent company, UnionTech, holds 178 patents related to 3D printing and claims 60% of China's 3D printing market share.

The primary competitive risk is that Unionfab's cost advantage depends on maintaining high machine utilization and low labor costs in China, which could erode as wages rise or as Western competitors automate more aggressively. Competitors include Wenext, Bright Laser Technologies, and Xometry. Unionfab's scale and partnerships with material suppliers provide a moat, but the model remains vulnerable to trade disruptions and shifts in customer preference toward regional supply chains.