Surface Finishing Service – Dongguan, China
In addition to precision manufacturing services, KaiMi also offers a diverse range of surface finishing options, providing clients with a one-stop solution from design to final product. Our integrated services help accelerate project timelines while ensuring consistent and superior product quality.
We have a professional surface finishing team capable of handling orders of any quantity, processing parts made from various materials and structures, with strict quality control at every step.
Email UsSurface Finishing Options
Anodizing
Anodizing is a surface treatment process widely applied to metals such as aluminum, magnesium, titanium, and their alloys. It involves forming an oxide film on the metal surface through an electrochemical method.
This oxide film provides protective, decorative, corrosion-resistant, and other functional properties. The process significantly alters the surface properties of the material, enabling coloring, enhanced corrosion resistance, improved wear resistance and hardness.
Chrome & Galvanized
Chrome plating is a process in which a layer of chromium is deposited onto the surface of a base metal through electroplating or other methods. The resulting chromium layer offers excellent wear resistance and a distinctive metallic luster.
Zinc plating or galvanized is a surface treatment technology that deposits a layer of zinc onto the surface of metals for corrosion protection, decorative finishes, or other functional enhancements.
Black Oxide
Black oxide is a common metal surface treatment process that forms a black oxide film on the surface of a metal through a chemical reaction, with the primary component being Fe₃O₄ (magnetite). This film provides rust protection, aesthetic appeal, and a certain degree of wear resistance without significantly altering the dimensions of the part.
TiN & TiCN
TiN (Titanium Nitride) is a golden-colored ceramic coating formed by depositing a layer of titanium nitride on the surface of a workpiece through processes such as vacuum evaporation or sputtering.
TiCN is a modified ceramic coating based on TiN, formed by introducing carbon into the coating structure. It is typically applied using PVD techniques such as magnetron sputtering or arc ion plating.
DLC & TiAlN
DLC (Diamond-Like Carbon) is an amorphous carbon film that possesses properties and a structure similar to that of diamond. It is typically deposited using PVD or PECVD techniques. DLC combines the high hardness of diamond with the low friction coefficient of graphite.
TiAlN (Titanium Aluminum Nitride) is a high-performance PVD ceramic coating composed of titanium, aluminum, and nitrogen. By incorporating aluminum into the TiN or TiCN matrix, this coating significantly enhances thermal resistance and oxidation stability.
Coating Properties Comparison Table
| Coating Type | Main Composition | Color | Hardness (HV) | Heat Resistance | Wear Resistance | Typical Applications |
|---|---|---|---|---|---|---|
| TiN | Titanium Nitride | Golden | ~2000 | ~500°C | Good | General metal cutting, decorative coatings |
| TiCN | Titanium Carbonitride | Blue-gray / Violet-gray | 3000+ | ~400°C | Very good | High-speed cutting, dry machining |
| DLC | Diamond-Like Carbon | Black / Dark gray | 2000-5000 | ~350°C | Excellent | Precision parts, medical tools |
| TiAlN | Titanium Aluminum Nitride | Gray-black / Dark violet | 2500-3300 | 500-900°C | Very good | High-temperature cutting, mold machining |
Other Surface Finishing Methods
Other surface finishing methods include sandblasting, polishing, shot blasting, wire drawing, passivation, and PVD coating. We offer a comprehensive range of surface treatment solutions.
| Surface Finishing Method | Applicable Materials | Available Colors |
|---|---|---|
| Anodizing | Aluminum / Aluminum Alloys / Other Metals | Grass green, red, black, etc. |
| Chrome Plating / Galvanizing | Steel / Stainless Steel / Alloy Steel | Bright silver |
| Powder Coating | All Metals | Black, blue, yellow, red, etc. |
| Polishing | All Metals and Plastics | Natural metal finish |
| Sandblasting | All Metals | Black, blue, yellow, red, etc. |
| PVD | Metals (stainless steel, titanium alloys) | Gold, silver, gray, multicolor |
| Wire Drawing | Metals (stainless steel, aluminum) | Metallic brushed texture |
| Passivation | Stainless Steel / Aluminum / Copper | Natural silvery white |
| DLC | Metals (stainless steel, carbon steel, titanium) | Black / Dark gray |
| TiN / TiCN / TiAlN | Metals (steel, cemented carbide) | Golden, Blue-gray, Gray-black |
Why Choose KaiMi for Surface Finishing Services?
1. Advanced Technology to Meet Diverse Needs
Comprehensive Process Coverage: We offer a wide range of surface finishing technologies, including PVD coatings, electroplating, anodizing, sandblasting, and passivation.
High-Precision Parameter Control: Equipped with automated systems, we accurately control critical parameters like particle velocity, coating thickness, and temperature. PVD coating thickness tolerance is within ±1μm.
2. Robust Quality Assurance System
Full-Process Quality Inspection: From surface pretreatment to final coating, we implement strict quality control using salt spray testing, hardness measurements, and coating thickness gauges.
Environmentally Compliant Materials: We use eco-friendly processes in compliance with RoHS, ISO, and other international standards.
3. Customized Service & Delivery Efficiency
Tailored Process Solutions: We develop customized finishing plans based on industry-specific requirements.
Rapid Turnaround Times: With standardized production lines, we compress lead times for complex processes to 70% of the industry average.
4. Cost Optimization & Long-Term Value
Exceptional Cost Performance: Our pricing is 10–15% lower than competitors for equivalent processes.
Technical Support & After-Sales Service: We provide complimentary sample testing, process consultation, and failure analysis of coatings.
Benefits of Surface Finishing
Improved Corrosion Resistance
Enhanced Wear Resistance and Hardness
Improved Appearance and Texture
Better Processing Compatibility
Enhanced Electrical or Thermal Properties
Functional Surface Protection
Reduced Maintenance Costs
Cleaning the Parts
KaiMi Surface Finishes
Surface Finishing FAQ
1. Are there any material limitations for your services?
No, we support a wide range of materials and manufacturing processes without restriction.
2. Why do machined parts require surface finishing?
To improve appearance, strengthen the material surface, and enhance key properties like durability and corrosion resistance.
3. What is the typical turnaround time?
Lead times vary depending on the process and quantity. Contact us for a detailed quote and timeline for your specific project.