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| Surface Finishes | Description | Applicable Materials | |
| Oxidation / Conversion Coating | |||
 | Anodizing | Anodizing is an electrochemical process that makes the metal the anode in an electrolyte, forming a dense, hard, and dyeable oxide layer on its surface. | Aluminum, titanium, magnesium, and their alloys |
 | Hardcoat anodizing | Hardcoat anodizing (Type III) is an electrochemical process performed under low temperature and high current conditions, forming a thick oxide layer (25–150 μm) on aluminum and its alloys with hardness close to ceramics. | Aluminum and its alloys |
 | Conductive anodizing | Conductive anodizing is a special anodizing process that forms a thin oxide layer on aluminum while retaining electrical conductivity. | Aluminum and its alloys |
 | Black oxide | A thin black oxide film is formed on the metal surface through a chemical reaction, giving the part a black or dark gray appearance. | Carbon Steel & Alloy Steel、Stainless Steel、Copper, Brass, Bronze |
 | Alodine service | A chemical conversion process that forms a thin film on the surface of aluminum and its alloys, serving as a base layer for subsequent painting or coating. | Aluminum & Aluminum Alloys |
| Plating / Coating | |||
 | Nickel plating | By electrochemical methods, a thin layer of nickel is deposited on the surface of the workpiece. | Carbon steel, low-alloy steels, stainless steel |
 | Gold plating | Gold plating is an electroplating process in which a thin layer of gold is deposited onto the surface of a metal or other conductive material. | Copper, Brass, Bronze，Nickel， Nickel Alloys，Silver，Stainless Steel，Titanium, Molybdenum |
 | Silver plating | Silver plating is an electrochemical process that deposits a silver layer onto the surface of a workpiece, offering both functional and decorative benefits. | copper and alloys, stainless steel, steel, aluminum |
 | Zinc plating | Using electroplating technology, a thin layer of zinc is deposited on the metal surface. | Steel, carbon steel, stainless steel, copper and copper alloys, zinc alloys, titanium alloys, plastics |
 | Zinc coating | Hot-dip galvanizing is a process of immersing steel into molten zinc at high temperature, forming a thick zinc coating that provides long-term corrosion protection. | Steels and irons |
| Painting / Coating | |||
 | Powder coating | Powder coating is a dry finishing process in which a fine powder of polymer resin, pigments, and additives is electrostatically applied to a surface and then cured under heat to form a hard, durable, and uniform coating. | Aluminum, stainless steel, steel |
 | Painting | Painting is a surface finishing process in which coatings are sprayed or brushed onto the material surface. After drying or curing, the coating forms a protective film with both decorative and functional properties. | steel, iron, aluminum, magnesium, plastics |
 | Soft-Touch Painting | Soft-touch painting is a coating process that applies a layer with a soft, rubber-like feel on the surface, providing a matte or velvet texture. | Plastics (ABS, PC, PP), metals (aluminum, stainless steel) |
 | Baking paint | Baking paint is a coating process in which paint sprayed on the workpiece surface is baked and cured at high temperature, forming a hard, smooth, and strongly adhesive film. | steel, aluminum alloys, stainless steel,PC |
 | Pad Printing | Pad printing is a process that uses a silicone pad to transfer ink from an etched plate onto the surface of a workpiece, suitable for irregular shapes. | Metals, plastics, glass, ceramics, rubber |
 | Silk Screen Printing | Specific areas of the screen are made permeable, and a squeegee forces the ink through the open mesh to create the desired text, patterns, or markings on the workpiece surface. | Metals、Plastics、Glass、Ceramics、Paper & Textiles |
| Mechanical Finishing | |||
 | Bead blasting | Bead blasting is a surface finishing process that propels glass beads or ceramic beads at high speed onto the metal surface to achieve cleaning, deburring, matte finishing, or uniform surface roughness. | Aluminum alloys, stainless steel, titanium alloys |
 | Anodized type II | an electrochemical process applied to aluminum and its alloys to produce a porous aluminum oxide (Al₂O₃) layer, typically 5–25 μm thick. | Aluminum & Alloys |
 | Anodized type III | Hardcoat anodizing (Type III) is an electrochemical process performed under low temperature and high current conditions, forming a thick oxide layer (25–150 μm) on aluminum and its alloys with hardness close to ceramics. | Aluminum and its alloys |
 | Sandblasting | Sandblasting is a surface treatment process that uses compressed air or mechanical force to propel abrasive materials at high speed onto the workpiece surface to achieve cleaning, roughening, or decorative effects. | teel, stainless steel, aluminum alloys, copper alloys, titanium alloys、plastics |
 | Wire drawing | By applying mechanical friction on the workpiece surface (such as with sanding belts, grinding wheels, or wire brushes), fine and regular lines are created, giving the surface a matte decorative finish. | Stainless steel, aluminum and aluminum alloys, copper, iron, magnesium alloys, plastics |
 | Brushing | By applying mechanical friction on the workpiece surface (such as with sanding belts, grinding wheels, or wire brushes), fine and regular lines are created, giving the surface a matte decorative finish. | Stainless steel, aluminum and aluminum alloys, copper, iron, magnesium alloys, plastics |
 | Sanding | Grinding or sanding is a mechanical process that uses abrasives such as sandpaper or grinding wheels to remove burrs, oxide layers, or unevenness, producing a smoother and flatter surface. | steel, stainless steel, aluminum, copper, plastics |
| Polishing / Smoothing | |||
 | Hand polishing | Using tools such as sandpaper, buffing wheels, and polishing paste, the workpiece surface is manually ground and polished to achieve a smoother and glossier finish. | Stainless steel, aluminum and aluminum alloys, copper and copper alloys, titanium, plastics |
 | Mirror polishing | Stainless steel, aluminum and aluminum alloys, copper and copper alloys, titanium, plastics | Stainless Steel、Aluminum & Alloys、Copper, Brass, Bronze、Titanium & Alloys、Nickel Alloys、Polycarbonate, PC、Acrylic, PMMA、PEEK、ABS |
 | Electropolishing | The workpiece acts as the anode in an electrolyte, where surface peaks dissolve to reduce roughness, increase smoothness, and improve corrosion resistance. | Stainless Steel、Titanium & Alloys、Aluminum & Alloys、Copper, Brass, Bronze、Nickel & Alloys, e.g. Inconel, Monel |
| Heat Treatment | |||
 | Heat treatment | A process that optimizes metal properties through controlled heating and cooling. | Steels, aluminum, titanium, copper, nickel, and their alloys |
 | Annealing | Annealing is a heat treatment process in which metals are subjected to controlled heating and slow cooling to reduce hardness, increase toughness, and relieve internal stresses. | Steels, aluminums, coppers, nickels, titaniums, and their alloys |
 | Case-hardening | Carburising is a thermochemical treatment process in which carbon atoms diffuse into the surface of steel at high temperature, forming a high-carbon hardened layer. | Low-carbon steels, low-alloy steels |
 | Tempering | Tempering is a heat treatment process in which quenched steel or alloy is reheated to a suitable temperature below the critical point, held for a period of time, and then cooled to modify its microstructure and adjust its properties. | Carbon Steels & Alloy Steels、Stainless Steels、Cast Iron |
 | Through hardening | Through hardening is a heat treatment process where the entire workpiece is heated above its critical temperature and then rapidly cooled, hardening the whole cross-section. | Medium-carbon steels, alloy steels |
| Others | |||
 | Laser Marking | Using laser technology to leave marks on the material surface, changing its color or microstructure. | Aluminum and its alloys, titanium alloys, stainless steel, copper, plastics, etc. |
 | Laser engraving | Laser engraving uses a high-energy laser beam to etch or mark the surface of a material, creating text, patterns, barcodes, or logos. | Aluminum, stainless steel, copper, titanium, ABS, PC, acrylic, nylon. |
 | Etching | A process in which material is removed from the surface by chemical or physical methods to form defined patterns or structures. | Metals, glass, semiconductors, and polymers |
