Castem
Japanese precision metal component manufacturer specializing in investment casting, metal injection molding, and additive manufacturing services
- CEO / Founder
- Takuo Toda
- Team Size
- 201-500
- Stage
- Established
- Latest Round
- Bootstrapped
- Key Investors
- null
Technology & Products
Key Products
Investment Casting (Lost Wax); Metal Injection Molding (MIM); Microfocus CT Scanning; Metal/Plastic 3D Printing; Submicron 3D Printing; Digital Casting (3D printing + casting hybrid); OEM Product Development
Technological Advantage
Unique "Digital Casting" process combining 3D printing with traditional investment casting; submicron 3D printing down to 0.2µm voxel resolution using Nanoscribe system; integrated production system from prototyping to full-scale production; proprietary developments in lost wax casting and MIM since 1991
Differentiation
Value Proposition
Integrated precision manufacturing from prototyping to mass production combining traditional casting (lost wax, MIM) with modern 3D printing and submicron 3D printing technologies
How They Differentiate
Combines 50+ years of traditional Japanese casting craftsmanship with cutting-edge submicron 3D printing; offers end-to-end service from one-off prototypes to mass production across 6 countries; unique "Digital Casting" hybrid process; ability to handle micro-scale parts down to submicron resolution
Market & Competition
Target Customers
Manufacturing companies requiring precision metal components in aerospace, automotive, medical devices, electronics, and industrial equipment
Industry Verticals
Aerospace; Automotive; Medical Devices; Electronics/IT; Industrial Equipment; Precision Engineering
Competitors
Dynacast (precision metal components/MIM); Arconic/Howmet (investment casting); Proto Labs (rapid prototyping + 3D printing services)
Growth & Milestones
Growth Metrics
Over 5,000 customers served; 45+ years of operation; global presence across 6 countries; $18.6M investment in Vietnam plant (Phase 1, 2024)
Major Milestones
1948: Founded as a candy company in Japan; 1991: Started developing MIM technology; 2019: Established Castem Technology Laboratories in Irvine, CA, USA; 2024: Inaugurated Phase 1 precision engineering plant in Quang Ninh, Vietnam ($18.6M investment); 2024: CEO Takuo Toda received Nikkan Kogyo Shimbun Outstanding Manager Award; 2025: CTL's Pure Copper Heat Sink won top prize at ICI Technical Conference
Notable Customers
Over 5,000 customers across aerospace, automotive, medical, and industrial sectors (specific customer names not publicly disclosed)