Farsoon Technologies (Changsha, China) is unique in the metal 3D printing market for its open material platform — unlike EOS, SLM Solutions, and other competitors that restrict users to proprietary powders, Farsoon allows customers to use any qualified metal powder, significantly reducing material costs. The FS621M's 620mm x 620mm build plate is among the largest in the laser powder bed fusion market, enabling production of large aerospace and industrial components in a single build. At $300,000–$600,000, the FS621M competes with EOS M 400-4 ($1M+) at a fraction of the cost. Farsoon's founder Dr. Xu Xiaoshu previously built the SLS division at 3D Systems, bringing decades of powder bed fusion expertise. Farsoon has installations in over 30 countries and strong market share in China's aerospace and automotive AM sectors.
| type | Laser powder bed fusion (LPBF) |
| build_volume | 620mm x 620mm x 550mm |
| laser_power | 4 x 500W fiber lasers |
| layer_thickness | 20-100μm |
| materials | Ti alloys, Al alloys, Ni superalloys, steels |
| atmosphere | Argon/nitrogen |
| weight | 7,200kg |
| certifications | CE, ISO 9001 |
Large aerospace structural parts
Industrial tooling and molds
Automotive prototype and production parts
Energy sector components
Large medical devices and implants
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