ZIP is accepted. Prefer STEP / STP; we also take STL, IGES, SolidWorks, Parasolid, DXF / DWG, and PDF. One file ≤80 MB. For mating parts, mark which holes, pins, and faces are assembly-critical. Tolerance stack stays with the design.
A one-set, one-each kit can quote. Preview with no login. Complex parts: 12h UTC+8 on Dongguan business days.
The clock starts after the whole process pack is confirmed. No implants. Inspection ticks are per part.
Related process guide
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