Hankook Precision Works
A tire mold and precision parts manufacturer specializing in metal additive manufacturing for tire sipes and mold components, and a subsidiary of Hankook & Company Group.
- CEO / Founder
- Hwang Seong-hak (황성학)
- Team Size
- 201-500
- Stage
- Active
- Latest Round
- Bootstrapped
- Key Investors
- null
Technology & Products
Key Products
Tire molds (including ventless puzzle molds, wave-parting molds, wave cutting segment molds); tire curing containers; precision machinery parts for aircraft and turbo tools; 3D printed tire sipes (kerf) components; compact containers; laser-processed mold parts.
Technological Advantage
Pioneering metal AM adoption for tire mold production in Korea since 2015; proprietary polishing surface processing technology (patented); ventless puzzle mold patent; airhole rotary gun-drilling technology patent; 5-axis MCT processing; laser processing; precision casting; factory automation; PLM/MES/ERP systems integration.
Differentiation
Value Proposition
First tire mold manufacturer in Korea to adopt metal 3D printing, enabling complex geometries for tire sipes (kerf) with sub-millimeter precision, reduced processing time, and consistent quality for EV and high-performance tire production.
How They Differentiate
First-mover in metal AM for tire molds in Korea; vertically integrated within the Hankook & Company Group with direct access to Hankook Tire's production needs; dedicated 3D printing R&D center with 15 AM experts; proven mass production of 100,000+ 3D printed sipe components.
Market & Competition
Target Customers
Tire manufacturers (including Hankook Tire & Technology), automotive OEMs, and precision machinery parts buyers in the aerospace and industrial tooling sectors.
Industry Verticals
Automotive (tire manufacturing); Aerospace (precision parts); Industrial machinery (precision tooling)
Competitors
Himile (Shandong, China); Dynamic Design (global); Greatoo (China); Tianyang (China); Yokohama Mold Co. (Japan)
Growth & Milestones
Growth Metrics
241 employees (as of March 2026); 2025 sales target of $350M USD; 22 patents; 100,000+ 3D printed sipe components produced.
Major Milestones
1973: Founded as Migang Co., Ltd.; 2015: First Korean tire mold company to adopt metal 3D printer; 2019: Renamed to Hankook Precision Works; 2023: Opened 3D Printing Convergence Technology Center (661 sqm) with Tera Works; 2025: First Eplus3D EP-M300 installed at China facility; 2026: Second EP-M300 deployed, 100,000+ sipe components produced.
Notable Customers
Hankook Tire & Technology (primary customer within the group); other tire manufacturers globally.