CNC Milling
Complex profiles, pockets, holes, threads, mating surfaces and three-dimensional features.
CUSTOM PARTS MADE TO YOUR DRAWINGS
SkyPu is a China-based CNC machining supplier for OEMs, equipment manufacturers and industrial purchasing teams. We manufacture custom milled and turned parts to your drawings, from prototypes and replacement parts to repeat production. Send your 2D drawings and 3D files with material, quantity, critical dimensions and any material-certificate or inspection-report requirements for review.
No drawing ready? Send your email and project requirements; file upload is optional on the quick inquiry form. See our quality credentials and part examples.
Selected critical features can be supported to tolerances as tight as ±0.001 mm (±0.00004 in), depending on geometry, material, process sequence and inspection method.
ISO 9001:2015 quality management. View our ISO certificate. Our inspection area includes Nikon and TESA equipment. Dimensional reports and material certificates are available when specified in your RFQ. View a sample inspection report and protective packaging.


Material, quantity, tolerances, inspection requirements and lead time are confirmed for each project after drawing review. See more equipment and part examples.
Drawing upload guide: The CNC RFQ accepts one PDF, STEP/STP, IGES/IGS, X_T, DWG/DXF or ZIP file, up to 25 MB. Put multiple drawings in one ZIP. No drawing yet, or need to send a larger file? Discuss your project first.
These photos show SkyPu’s workshop and inspection area. Send your drawing so our team can review the process and inspection requirements for your part.



Our team reviews each 2D drawing and 3D model before production, then selects the machining and inspection plan that matches the critical features.
Complex profiles, pockets, holes, threads, mating surfaces and three-dimensional features.
Shafts, bushings, pins, sleeves and other rotational parts with controlled diameters and concentricity.
Secondary processes for hardened materials, close dimensional control, narrow slots and difficult internal features.
In-process and final inspection, with dimensional reports and material certificates available when specified.
Send a STEP, IGES, X_T, DWG, DXF or PDF file together with material, quantity, critical tolerances, surface finish and target delivery date. We will confirm manufacturability, price and lead time after reviewing the complete requirements.
Material, order quantity, critical geometry, tolerances, finishing and inspection requirements are reviewed before lead time is quoted. Include your target delivery date and delivery location with the RFQ.
If you require a material certificate or dimensional inspection report, state this with the RFQ and mark the drawing features to be documented. Our team confirms the required documentation and inspection scope during drawing review.
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