



Finishing & Post Processing
Multi-Wins offers a wide range of post-processing & finishing processes designed to meet the most demanding and precise project requirements. Whether your project is CNC, additive, or other advanced manufacturing, we can offer specific tools and processes to create an optimal finished parts.
Contact UsPortfolio of Surface Finishing
Surface finishing is not just about aesthetics but also the functional and performance characteristics. Proper finish enhances the overall quality, reliability, and suitability for final parts intended use. The specific type of surface finishing chosen will depend on factors such as the material used, the intended application, environmental conditions, and industry standards.
Below are some of our common finishing/post-processing options. Please contact us directly for a process that may not be listed below:
Surface Treatment/Finishes | Description | Services | Appliable Materials | Product Photo |
---|---|---|---|---|
As machined (Ra 3.2μm / Ra 126μin) |
Machining marks and light surface scratches are visible | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Smooth machining (Ra 1.6μm / Ra 63μin) |
Tiny surface scratches are visible | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Fine machining (Ra 0.8μm / Ra 32μin) |
Cosmetic surface with Ra 0.4~0.8μm | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Mirror Polishing (Ra 0.4μm / Ra 16 μin) |
Pefect surface without any defects | CNC Machining, 3D Printing | Metals | ![]() |
Anodizing (Ra 3.2μm / Ra 126μin) |
Machining marks and light surface scratches are visible | CNC Machining, 3D Printing | Metals | ![]() |
Anodizing (Ra 1.6μm / Ra 63μin) |
Tiny surface scratches are visible | CNC Machining, 3D Printing | Metals | ![]() |
Anodizing (Ra 0.8μm / Ra 32μin) |
Cosmetic surface | CNC Machining, 3D Printing | Metals | ![]() |
Colorful Anodizing (Ra 1.6μm / Ra 63μin) |
Rich color options for different requirements | CNC Machining, 3D Printing | Metals | ![]() |
Hard Coating (Ra 1.6μm / Ra 63μin) |
35 ~50μm thickness; only Natural & Black available | CNC Machining | Metals | ![]() |
Bead Blasting (Ra 1.6μm / Ra 63μin) |
Grainy, slightly matte texture.Larger, coarser beads leave a grainy, matte texture, while smaller beads result in a satin finish | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Brushing (Ra 1.6μm / Ra 63μin) |
Mechanical polishing that produces a unidirectional satin finish | CNC Machining, 3D Printing | Metals | ![]() |
Powder Coating (Ra 1.6μm / Ra 63μin) |
Dry finishing process using powdered paint to provide a high-quality, durable finish | CNC Machining, 3D Printing | Metals | ![]() |
Black Oxide | Black oxide is a conversion coating with a black appearance to improve corrosion resistance. | CNC Machining, 3D Printing | Metals | ![]() |
Tumbling | Using barrel or vibratory processes with abrasives to remove machine marks, sharp edges and burrs | CNC Machining, 3D Printing | Metals | ![]() |
Painting | Using a paint to bing an aesthetic protective coating | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Electroless Nickel Plating | To deposit an alloy of nickel-phosphorus on the metal surfaces to protect from corrosion and oxidation | CNC Machining | Metals | ![]() |
Colored Galvanization | Protection layer on irregular surfaces to avoid corrosion. Conforms to ASTM B633-15 | CNC Machining | Metals | ![]() |
Passivation | Providing corrosion resistance and good conductivity properties. Can be used as a base for paint with yellow/gold color | CNC Machining, 3D Printing | Metals | ![]() |
Heat Treatment | Changing the physical/chemical properties of a material to improve strength, durability, and performance | CNC Machining, 3D Printing | Metals | ![]() |
Welding | To combine different metal parts in one unit to decrease the high cost to manufacture in one part | CNC Machining, 3D Printing | Metals | ![]() |
Others | DLC, Nitriding, knurling, Tristfree grinding,Silk Screen, Mirror Chrome etc. | CNC Machining, 3D Printing | Metals, Plastics | ![]() |
Assembly
Advanced manufacturing techniques can produce intricate and complex parts, with our assembly services, it can ensure that the components are correctly put together, reducing the risk of errors and ensuring a functional final product.

Quality & Cost Control, Flexibility & Customization
In-house assembly enables better control over the quality of the final product and close monitoring and inspection of the final product, ensuring that it meets the required quality standards. Any issues or discrepancies can be addressed immediately, leading to better overall product quality. We Multi-Wins can implement rigorous testing procedures and quality control measures at every stage of the assembly process
Long-Term Stability Over Supply Chain
Integrating advanced manufacturing and assembly in-house can lead to a more streamlined production process with better communication and collaboration between teams, resulting in improved overall efficiency and getting products to market faster, that’s why Multi-wins can work as a comprehensive and reliable partner for our customers, offering end-to-end solutions that cater to various manufacturing needs.
