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UnionTech

HardwareShanghai, ChinaFounded 2000· One of 1636 Hardware companies tracked by AMPulse

A leading manufacturer of industrial-grade SLA and DLP 3D printers with ~60% China SLA market share, offering a comprehensive ecosystem of hardware, software (Polydevs, Unionfab), and materials serving 3,000+ customers globally.

CEO / Founder
Ma Jinsong
Team Size
501-1000
Stage
Active
Total Funding
$60M
Latest Round
Pre-IPO
Key Investors
Dening Capital; Cash Capital; Yingke PE; Dragonrise Capital Advisors; Evonik Venture Capital; Luhe Venture Capital; CITIC Goldstone; Dragon Capital; E-Town International Investment & Development; SCGC (深创投); Oriza FOFs; 联新资本; 敦汇资本; Evonik; 绿合投资; 金石投资; 元禾辰坤; 金谷资本; 国科嘉和; 龙腾资本; 晨山资本

Technology & Products

Key Products

Pilot Series (SLA); RSPro and Lite SLA series; Evo-Series (DLP); Martrix Series (mSLA); Cute 300 / EvoDent DLP dental lines; S300 (DLP for Dental); Muees Series (SLM metal printing, incl. Muees310); Unionfab cloud IoT platform (remote monitoring and production management); UT ONE software; Polydevs 3D printing software (independently developed)

Technical position · AMPulse analysis

Deep expertise in SLA/DLP photopolymer technology with large build volumes and excellent surface finish. Proprietary Unionfab cloud IoT platform for remote monitoring. Open material system (third-party materials supported). Strong manufacturing base in China enabling competitive pricing. Vertically integrated hardware (SLA/DLP/LCD/SLM), software (Polydevs, UT ONE), and materials ecosystem. 251+ patents demonstrating R&D depth.

Patent position

UnionTech filed 12 patent families across all years, compared with 300 for 3D Systems, 494 for Stratasys, 114 for Formlabs, and 41 for Farsoon Technologies. AMPulse analysis

Filing momentum
4 families filed 2022–2024, 1 in 2019–2021
Filed in
WO 92%CN 8%
Named competitors, AM patent families
3D Systems 300Stratasys 494Formlabs 114Farsoon Technologies 41

12 AM patent families in total. Recent years are still being published, so read a filing change against the same-office figure.

Differentiation

Value Proposition

Providing high-quality, reliable, large-format industrial 3D printers (SLA/DLP/LCD/SLM) combined with proprietary software and an open material ecosystem, delivering strong performance, precision, and cost-effectiveness with cloud-based Unionfab production management.

How They Differentiate

UnionTech differentiates by focusing on industrial SLA and DLP systems with large build volumes at a competitive price point. Their open material system is a key differentiator from competitors like 3D Systems, which often have closed ecosystems. Their strong foothold in the Chinese market provides a significant manufacturing and supply chain advantage.

Market & Competition

Target Customers

Industrial manufacturers in sectors like aerospace, automotive, medical (dentistry), footwear, and consumer goods requiring high-precision prototypes, tools, and end-use parts.

Industry Verticals

Aerospace, Automotive, Medical & Dental, Consumer Electronics, Footwear, Education, Manufacturing

Competitors

3D Systems; Stratasys; Formlabs; Farsoon Technologies

Growth & Milestones

Growth Metrics

Over 3,000 customers across more than 50 countries; 2,500+ printers sold globally (as of late 2021); Largest market share for SLA in China (~60%+)

Major Milestones

2000: Company founded; 2004: First high-end equipment exported overseas; 2015: Established US subsidiary; 2019: US subsidiary closed; 2020: 20th anniversary — launched new Manufacturing Base in Shanghai; 2020: Received strategic investment from Evonik; 2021: Secured Series C/D funding of ~$31M; 2022: Completed a Pre-IPO funding round of ~$30M

Notable Customers

Serves over 3,000 customers in more than 50 countries worldwide, including Evonik as a strategic investor and partner

https://www.uniontech3d.com

Recent coverage of UnionTech

Official records

Filings, certifications, and programme counts AMPulse can show for this company.

  • [C] ISO_9001 · claimed

AM patents

AM-relevant patents linked to this company.

Patents
12
Granted
1
Families
12

Leading domains: process (12), equipment (6), application (2)

Filings by year: 2023: 4 · 2019: 1 · 2017: 5 · 2016: 1 · 2015: 1

  1. UPPER AND LOWER END SLICE FEATURE DEVIATION COMPENSATION METHOD, SYSTEM AND TERMINAL FOR MODEL, MEDIUM, AND PRINTING METHOD AND APPARATUS2025015999 · WO
  2. AUTOMATIC SUPPORT METHOD AND APPARATUS SUITABLE FOR TIRE MODEL, TERMINAL, AND MEDIUM2025015997 · WO
  3. DATA PROCESSING METHOD FOR THREE-DIMENSIONAL MODEL, AND 3D PRINTING METHOD AND SYSTEM2019041719 · WO
  4. RETURN-TO-ZERO CONTROL METHOD AND CONTROL DEVICE FOR THREE-DIMENSIONAL PRINTING PLATFORM IN BOTTOM PROJECTION-TYPE RAPID PROTOTYPING2016150247 · WO
  5. DETECTION SYSTEM AND METHOD, AND APPLICABLE 3D PRINT DEVICE2019105046 · WO

Funding rounds

  • Pre-IPO¥200M RMB (2.0亿)2022-09Lead: 金石投资 · Source: nanjixiong
  • Series D$30.0M2021-12-21Lead: Dening Capital
  • Series CUndisclosed2020-12-08Lead: Evonik · Source: nanjixiong
  • Series BUndisclosed2020-07Lead: 敦汇资本 · Source: nanjixiong
  • Series A¥14.36M RMB (1436万)2015-08-26Lead: 联新资本 · Source: nanjixiong

Equipment deals on record

Publicly disclosed purchases or installs only.

All equipment activity

Why this company matters

AMPulse analysis, not a company disclosure

UnionTech is the dominant supplier of industrial SLA 3D printers in China, holding an estimated 60% share of the domestic market. Founded in 2000, the company has built a vertically integrated ecosystem spanning hardware (SLA, DLP, LCD, and SLM), proprietary software (Polydevs, UT ONE, Unionfab cloud IoT platform), and an open material strategy that supports third-party resins. This openness contrasts with closed-ecosystem competitors such as 3D Systems and Stratasys, giving UnionTech a pricing and flexibility advantage in cost-sensitive industrial segments.

The company's product portfolio ranges from the Pilot and RSPro SLA series for large-format prototyping to the Evo-DLP and Martrix mSLA lines for high-resolution production. Its Muees Series addresses metal LPBF applications, while the EvoDent and S300 DLP printers target dental labs. Unionfab, the cloud-based production management platform, enables remote monitoring and job scheduling across fleets of printers, a feature increasingly valued by service bureaus and in-house manufacturing teams.

UnionTech serves over 3,000 customers across more than 50 countries, with notable penetration in aerospace, automotive, medical and dental, consumer electronics, and footwear. Strategic partnerships with Evonik (an investor and material partner), BASF, and Covestro strengthen its material supply chain, while a collaboration with ZWSOFT extends its software reach into overseas CAD/CAM workflows. The company has raised approximately $229 million from investors including Evonik Venture Capital, CITIC Goldstone, and Shenzhen Capital Group.

A key open question is whether UnionTech can replicate its Chinese market dominance internationally, especially in regions where SLA incumbents like 3D Systems and Formlabs have entrenched customer relationships. Its large-format, open-material SLA systems offer a compelling value proposition for price-sensitive industrial buyers, but building global service and support infrastructure remains a challenge. With over 250 patents and a new manufacturing base in Shanghai, the company has the R&D depth and production scale to compete, but execution outside China will determine its long-term trajectory.