English prints and English notes are enough to review. Prefer STEP (≤80 MB) and state mm or inch. Mixed Chinese/English is fine; critical tolerances live on the print, not only in email.
Preview with no login. MOQ 1. Complex parts: 12h UTC+8. Ask for NDA first if you need it — an anonymous preview is not a signed NDA.
Lead time splits production and freight. No implants. No invented ISO. Upload a STEP to get an instant quote.
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