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Professional Custom Surface Finishing Services
- Full-process surface solutions for metal, plastic, and composite components.
- Balancing functional protection with aesthetic appeal.
- Efficient response to diverse needs.
Trusted bynumerous companies
JS Precision helps engineering teams turn machined, molded, cast, and fabricated parts into ready-to-use components through reliable surface finishing and inspection support.
Surface Finishing ServicesWith JS Precision
Full Scenario Process Adaptation
Full-process solutions for metal, plastic, and composite materials, precisely adapting to diverse needs from functional protection to aesthetic enhancement.
Material-Specific Optimization
Customized process parameters for different substrate characteristics, ensuring synergistic improvement of surface effects and substrate performance.
Full-Link Technical Support
Full-process technical support from design-phase process recommendations to mass-production effect control, improving product manufacturability.
What is Surface Finishing?
Surface finishing is a process that forms functional or decorative coatings on the surfaces of various components (such as metal and plastic) through physical, chemical, or electrochemical methods. It not only enhances core performance such as corrosion resistance, wear resistance, and weather resistance of components, but also achieves appearance upgrades through customized colors and textures, making it a critical step from component forming to finished products.
Why Surface Finishing is Essential?
Surface finishing is a core process that defines component performance, lifespan, and competitiveness, with key value in four areas:
Performance Enhancement
Forms functional protective layers to significantly improve corrosion, wear, and weather resistance of metals, plastics, and composites, extending component lifespan.
Precision Aesthetic Upgrade
Customizes colors and textures, optimizes surface feel, strengthens brand recognition and user experience.
Industry Compliance
Delivers solutions meeting industry standards, such as biocompatible coatings and salt-fog-resistant passivation layers, ensuring market access.
Value Elevation
Creates differentiation in homogeneous markets through dual performance and aesthetic upgrades, enabling product premium pricing.
Surface Finishing We Offer
| Surface Finishes | Description | Services | Applicable Materials |
|---|---|---|---|
| As Machined | Basic finish with inherent surface texture from machining, includes deburring to remove sharp edges, retains original dimensional accuracy. | CNC machining, Sheet metal fabrication | Metals, Plastics |
| Sand Blasting | Abrasive blasting process that removes surface impurities and creates uniform matte texture by impacting surfaces with abrasive media. | CNC machining, Sheet metal fabrication | Metals, Plastics |
| Tumbling | Surface finishing via barrel/vibratory movement with abrasive media, smooths edges and reduces surface roughness uniformly. | CNC Machining, Sheet metal fabrication | Metals, Plastics, Glass |
| Electropolish | Electrochemical process that smooths and polishes metal surfaces, removes micro-burrs and enhances surface gloss and corrosion resistance. | CNC machining | Stainless steel, Copper, Aluminum |
| Heat Treatment | Thermal process to alter material physical/chemical properties, enhances hardness, strength and wear resistance of metal components. | CNC machining | Metals |
| Alodine | Chromate conversion coating for aluminum, forms protective layer to improve corrosion resistance and paint adhesion. | CNC machining, Sheet metal fabrication | Aluminum, Aerospace Alloys |
| Anodizing | Electrochemical oxidation of aluminum, forms dense oxide layer on surface to boost corrosion and wear resistance, optional dyeing available. | CNC Machining, Sheet metal fabrication | Aluminum |
| Teflon Coating | PTFE coating deposition, provides low friction, chemical resistance and corrosion protection for component surfaces. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Plastics |
| Black Oxide | Hot alkaline treatment for steel/iron, forms black oxide film on surface to enhance corrosion resistance and aesthetic appearance. | CNC machining, Sheet metal fabrication | Steel, Iron |
| Electroless Plating | Autocatalytic chemical plating, deposits uniform metal coating on complex geometries and non-conductive substrates. | CNC machining, Injection molding, 3D printing | Metals, Plastics |
| Electroplating | Electrolytic plating process, deposits metal coating on conductive substrates to improve wear resistance and electrical conductivity. | CNC machining, Sheet metal fabrication | Metals |
| Painting | Spray coating process, forms protective and decorative layer on surfaces, customizable in color and protective performance. | CNC machining, Sheet metal fabrication, Injection molding, 3D printing | Metals, Plastics, Wood |
| Passivation | Chemical treatment for stainless steel, removes free iron and forms passive oxide layer to enhance corrosion resistance. | CNC machining, Sheet metal fabrication | Stainless Steel, Other Corrosion-resistant Alloys |
| Powder Coating | Electrostatic dry powder coating, cures to form thick, wear-resistant and color-stable protective layer on component surfaces. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Some Plastics |
| Electrophoresis | Electrophoretic deposition process, forms thin and uniform coating on conductive substrates with full coverage of complex geometries. | CNC machining, Sheet metal fabrication | Metals, Ceramics |
| Brushed Finish | Mechanical abrasive belt treatment, creates unidirectional satin texture on metal surfaces to mask minor surface imperfections. | CNC machining, Sheet metal fabrication | Metals |
| SPI Finish | Standardized surface finish for injection-molded plastics, ranges from high-gloss to matte to meet different aesthetic/functional needs. | Injection molding | Plastics |
| Polishing | Mechanical/chemical treatment, smooths surfaces to bright reflective finish by removing scratches and surface irregularities. | CNC machining, Sheet metal fabrication | Metals, some hard plastics |
Perfect Your Project'sSurface Finish
Your designs deserve the best possible finish. Our versatile surface treatment options enhance both the functional durability and visual appeal of your components. Whether for performance-driven protection or aesthetic enhancement, each finishing technique can be tailored to your material, color, texture, and cost requirements. Elevate the quality of your projects today.
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