
Surface Finishing Service
The DAHE Advantages
End-to-End Service
As part of our integrated service model, we offer a comprehensive range of in-house surface treatments including liquid coating, powder coating, electroplating, anodizing, heat treatment, silk-screen printing, UV printing, and laser engraving. This ensures a seamless process from fabrication to final finish.
100% Taiwanese Manufacturing & Green Compliance
All our surface treatment processes are performed in Taiwan, adhering to the highest environmental standards. This commitment not only ensures superior quality finishes but also aligns with eco-friendly manufacturing practices.
Experienced Workforce
Our dedicated team, with an average tenure exceeding 10 years, brings deep expertise to every surface treatment application, ensuring consistent quality, durability, and aesthetic perfection for your products.
Metal Surface Finishing
Finishing is the process of altering the surface of a metal part to improve its appearance, durability, or performance. It involves various techniques like cleaning, polishing, coating, and applying protective layers. This crucial step enhances the part's functionality and aesthetic appeal.
Why is Surface Finishing important?
Corrosion Resistance
Coatings and surface treatments like galvanizing and anodizing prevent rust and corrosion, extending the lifespan of the metal parts.
Enhanced Appearance
Finishing techniques like polishing and powder coating improve the aesthetic appeal of the metal parts, making them suitable for visible applications.
Improved Durability
Finishing can increase the part's resistance to wear, abrasion, and other forms of damage, making it more durable in demanding environments.
Increased Functionality
Finishing can improve the part's ability to function properly, such as enhancing electrical conductivity or solderability.
Types of Surface Finishing
Polishing
This involves smoothing the surface to remove imperfections and create a reflective finish.
Coating
Applying a layer of material, such as paint, powder coating, or plating, to protect the metal from corrosion and wear or to enhance its appearance.
Surface Treatment
Processes like anodizing (for aluminum) or passivation (for stainless steel) create a protective layer on the metal's surface.
Bead Blasting
Abrasive particles are used to create a textured, matte finish.
Electroplating
Applying a thin layer of another metal (like zinc, nickel, or chrome) to improve corrosion resistance and aesthetics.
Powder Coating
A dry finishing process using electrostatically charged powder particles to create a durable and decorative finish.
Galvanizing
Applying a layer of zinc to protect against rust and corrosion.
Electropolishing
A chemical and electrical process that smooths and polishes the metal surface.
QPQ Liquid Nitriding
QPQ Liquid Nitriding (also known as salt bath nitriding) is a process for producing a thin, high-hardness case that is wear and corrosion resistant, with little or no distortion of the part during processing.
Black Oxide
A chemical process that creates a black finish on steel, providing some corrosion protection.
Printing & Laser Engraving
Silk-screen printing, UV printing, and laser engraving are commonly used to apply logos or functional text to metal panels and chassis. Silk screen printing and UV printing add a layer of ink to the surface while laser engraving is a subtractive process to remove material from the surface.
