Custom CNC Machining China Manufacturer for Precision Metal and Plastic Parts
MTSPi CNC provides custom CNC machining services from China for overseas buyers who need accurate prototypes, low-volume production, and repeatable precision parts. Our team supports CNC milling, CNC turning, rapid prototyping, material selection, surface finishing, and inspection for metal and engineering plastic components.
Use MTSPi CNC as a manufacturing partner when you need practical DFM feedback, quote-ready engineering communication, and a clear path from CAD files to finished parts.
CNC Machining Services
Custom parts made from 3D CAD models and 2D drawings, with support for prototypes and production batches.
- CNC milling and CNC turning
- 3-axis, 4-axis, and 5-axis machining
- Small batch and repeat production
Materials and Finishes
Machining support for common CNC metals, engineering plastics, and post-processing requirements.
- Aluminum, stainless steel, brass, copper, titanium
- ABS, POM, nylon, acrylic, PC, PEEK, ULTEM
- Anodizing, passivation, plating, polishing, powder coating
Quality and RFQ Support
Process review, material guidance, inspection planning, and quotation support for engineering buyers.
- Drawing and tolerance review
- In-process and final inspection
- Material certificates and reports when requested
Core Manufacturing Capabilities
| Capability | Typical parts | Useful when buyers need |
| CNC milling | Housings, plates, brackets, fixtures, slots, pockets, complex profiles | Accurate prismatic parts, multiple features, and prototype-to-production support |
| CNC turning | Shafts, bushings, pins, spacers, sleeves, threaded parts | Round components, tight-fit diameters, grooves, bores, and threads |
| Rapid prototyping | Functional samples, proof-of-concept parts, pre-production builds | Fast design validation before moving into repeat orders |
| Material and finish support | Metal and plastic parts with appearance, corrosion, or wear requirements | Better choices for strength, weight, heat, conductivity, and surface finish |
| Quality assurance | Parts with assembly, datum, tolerance, and inspection requirements | Reduced sourcing risk and clearer acceptance standards before shipment |
Industries We Support
MTSPi CNC serves buyers in automation, robotics, medical devices, automotive projects, aerospace components, consumer electronics, machinery, telecommunication, renewable energy, and semiconductor-related hardware. Each industry page should connect part function with material choice, machining route, surface finish, and inspection requirements.
Start From the Right Page
Homepage FAQ
What does MTSPi CNC manufacture? MTSPi CNC manufactures custom CNC machined metal and plastic parts, including milled parts, turned parts, prototypes, low-volume production parts, fixtures, brackets, housings, shafts, bushings, and precision components.
What files should I send for a quote? Send STEP, STP, IGES, X_T, SLDPRT, or other 3D files when available, plus 2D drawings for tolerances, threads, finish, material, quantity, and inspection requirements.
Can MTSPi CNC help with material and finish selection? Yes. We can review the part function, environment, tolerance needs, appearance expectations, and cost target before recommending a machining route, material, and finish.
Ready to quote a custom CNC part?
Send your drawing, material, quantity, and finish requirements for manufacturing review.
Get a CNC Quote