From STL
to industrial parts.
Upload an STL. Get an instant quote. Powered by INLONG's industrial FDM capacity — carbon-fiber composites, ±0.1mm precision and parts up to 1.2m.
Instant FDM quoting
Upload an STL, get a carbon-fiber reinforced part quote in seconds, and check out in one flow.
Industrial FDM at scale
Industrial FDM machines, ±0.1mm precision and large build volumes up to 1.2m per part.
Industrial-grade, end to end
Qingdao HQ plus Shenzhen and Nanjing plants — 2,000–3,000㎡ factories with 30–50 industrial machines each.
Manufacturing
See allPlatform
See allFrom upload to delivery
A complete industrial FDM workflow: upload your STL, get an instant quote, approve and receive machined-grade parts.
Start nowUpload
Upload your STL — our engine measures part and support volume instantly.
Quote
Material × density × unit price, plus finishing options — transparent and instant.
Manufacture
INLONG plants print your parts with industrial machines and full QC.
Deliver
Post-processing and shipping to your door, with order tracking.
End-to-end industrial FDM manufacturing
Vulcan 600 / 1200 heated-chamber industrial FDM machines, up to 1.2m single-part builds.
PET-CF, PPA-CF, PPS-CF, PEEK and 20+ high-performance engineering materials.
Humanoid robots, inspection robots, UAVs, medical rehab, automotive and off-highway vehicles.
Flying-car shells, superconducting rails, UAV spare parts and more real industrial cases.
Qingdao HQ plus Shenzhen/Nanjing subsidiaries with 2,000–3,000㎡ plants and 30–50 industrial machines each, running 24/7.
Vulcan industrial FDM machines with heated chambers, large builds and high precision.
Qingdao, Shenzhen, Nanjing and Chongqing — localized printing service centers.
Make, powered by AI.
An AI engineer that understands STL, materials and DFM. Ask it to check manufacturability, choose a material, or track your order.
- Instant DFM analysis on every upload
- Material recommendations by load, temperature and environment
- Support-volume and cost optimization hints
- Natural-language order tracking and support
Access everything, instantly.
Get anywhere in FDM Direct just by typing — products, orders, machines and support. Hit K to launch.
Orders List
Track and manage every order, from quote to delivery.
Factory Connect
See live machine status and factory capacity in real time.
Quality Center
Inspection reports, tolerance data and certification archives.
Library
Access every FDM Direct service, material, and app on demand.
Shipping Tracker
Nationwide and international logistics in one view.
Security Center
Manage IP protection, access, and audit logs.
Trusted by industrial teams.
“We moved our robot housings from CNC to FDM — 30%+ lower cost with the same quality, delivered every month.”
“130+ parts for our flying-car prototype, quoted in a day and delivered in 28. No tooling, no drama.”
“Broken drone frame at 4pm, replacement in hand 48 hours later at a third of the OEM price.”