Sting3D
A leading global manufacturer of high-performance FDM 3D printing filaments specializing in flexible materials and industrial-grade polymers.
- CEO / Founder
- Leo Zhang
- Team Size
- 51-200
- Stage
- Growth Stage
- Latest Round
- Bootstrapped
- Key Investors
- Leo Zhang
Technology & Products
Key Products
ShoeFlex 9075A (90A print / 75A soft footwear TPU), Airless Basketball high-bounce filament, Flexible/TPU Series (AMS TPU, Silk TPU, TPU 95A/85A), PLA Series (PLA Pro, High-Speed, Matte, Silk dual/tri-color, Wood, FlexPLA), Engineering Series (PETG, ABS, ASA, Nylon, PC, CF/PA-CF/PET-CF, PLA CFRP-CF), Specialty/Aesthetic Materials (Glow, Rainbow, color-changing), OEM/ODM custom filament development for 50+ brands
Technological Advantage
R&D is led by former LG Chemical polymer experts, allowing for proprietary chemical formulations that improve layer adhesion and reduce clogging; the company also holds a strategic position as a key member of China's 3D printing standards committee.
Differentiation
Value Proposition
Delivers industrial-grade filament consistency and specialized material properties (such as high flexibility and carbon fiber reinforcement) at a massive scale, supported by a team of polymer experts.
How They Differentiate
Specializes in high-performance flexible materials (ShoeFlex TPU) and high-speed PLA with industry-leading diameter precision (+/- 0.02mm). Operates as a massive OEM/ODM powerhouse for over 50 global brands.
Market & Competition
Target Customers
Consumer 3D printing enthusiasts, industrial prototyping firms, and global 3D printer brands requiring OEM/ODM manufacturing services.
Industry Verticals
Additive Manufacturing, Consumer Electronics, Automotive Prototyping, Education & Research, Industrial Design
Competitors
eSUN, Sunlu, Polymaker
Growth & Milestones
Growth Metrics
Annual production capacity of 4 million rolls/spools; Best-selling 3D printing filament brand in South Korea (2023 Korea Industry Evaluation Brand Gold Award).
Major Milestones
Founded in 2015 (武义斯汀纳睿三维科技有限公司, 2015-01-19) focusing on FDM filament R&D, Member of the 3D Printing Testing Standards Subcommittee of the China Additive Manufacturing Standardization Committee, 12 invention patents and 42+ utility model patents, Scaled to ~4 million rolls annual capacity; Korea Industry Evaluation Brand Gold Award 2023, Launched ShoeFlex 9075A footwear filament and Airless Basketball high-bounce filament
Notable Customers
Fortis, ODM partner for 50+ global 3D printing brands sold via Amazon and Walmart