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LS Manufacturing has delivered reliable experience to over 28,000 customers by producing more than 250,000 complex parts
Surface Finishing ServicesWith LS Manufacturing

Efficient & Stable Delivery
Standardized production lines support surface finishing needs of all scales, ensuring delivery efficiency and stable results.
Full-Process Quality Control
Full-link quality control from substrate inspection to finished product delivery, ensuring consistent and reliable surface effects.
Flexible Cost Adaptation
Process optimization combined with flexible scheduling effectively controls processing costs, adapting to needs of different scales.
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 essential for ensuring product stability, consistency, and market adaptability, with core benefits in four areas:
Stable Performance Protection
Forms uniform protective layers to ensure consistent corrosion and wear resistance for components, reducing failure risks and improving reliability.
Uniform Aesthetic Presentation
Standardized processes ensure consistent appearance texture and color, strengthening brand consistency and user trust.
Full-Link Compliance Assurance
Aligns the product's surface indicators with industry standard requirements, avoids market entry compliance risks, and ensures smooth market access.
Comprehensive Cost Optimization
By extending component lifespan, it effectively reduces long-term maintenance and replacement costs, achieving optimal total lifecycle costs.

Surface Finishing We Offer
| Surface Finishes | Description | Services | Applicable Materials |
|---|---|---|---|
| As Machined | Industrial-grade as-machined finish with controlled surface roughness of 3.2μm; includes precision deburring to eliminate sharp edges, meeting industrial safety standards for heavy-duty components. | CNC machining, Sheet metal fabrication | Metals, Plastics |
| Sand Blasting | Controlled-pressure abrasive blasting process that removes surface coatings, contaminants, and micro-irregularities; delivers a uniform matte texture for industrial component preparation. | CNC machining, Sheet metal fabrication | Metals, Plastics |
| Tumbling | Industrial barrel/vibratory finishing with abrasive media; uniformly smooths surface roughness, refines edges, and supports batch processing of medium-to-large component volumes. | CNC Machining, Sheet metal fabrication | Metals, Plastics, Glass |
| Electropolish | Precision electrochemical finishing that smooths, polishes, and deburrs metal surfaces; produces a high-gloss, corrosion-resistant finish critical for sanitary/precision industrial applications. | CNC machining | Stainless steel, Copper, Aluminum |
| Heat Treatment | Custom thermal processing to modify material physical/chemical properties; enhances mechanical performance (hardness/tensile strength) for industrial load-bearing components. | CNC machining | Metals |
| Alodine | Chromate conversion coating for aluminum alloys; provides robust corrosion protection and acts as a premium primer for industrial paint adhesion. | CNC machining, Sheet metal fabrication | Aluminum, Aerospace Alloys |
| Anodizing | Electrochemical process growing a dense oxide layer on aluminum; boosts corrosion/wear resistance, with a porous base for industrial dyeing/sealing. | CNC Machining, Sheet metal fabrication | Aluminum |
| Teflon Coating | Precision PTFE coating deposition; delivers low-friction performance, chemical resistance, and corrosion protection for components in harsh industrial environments. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Plastics |
| Black Oxide | Hot alkaline conversion process for steel/iron; forms a matte black oxide film, enhancing corrosion resistance (with sealant) for industrial functional/aesthetic components. | CNC machining, Sheet metal fabrication | Steel, Iron |
| Electroless Plating | Autocatalytic chemical plating; deposits uniform metal coatings (e.g., nickel) on complex geometries/non-conductors, meeting industrial coating uniformity standards. | CNC machining, Injection molding, 3D printing | Metals, Plastics |
| Electroplating | Electrolytic plating with customizable coating thickness; enhances wear resistance/conductivity for industrial electrical/mechanical components. | CNC machining, Sheet metal fabrication | Metals |
| Painting | Industrial-grade precision painting; customizable for color matching, UV resistance, and chemical protection, ensuring batch consistency for consumer/industrial parts. | CNC machining, Sheet metal fabrication, Injection molding, 3D printing | Metals, Plastics, Wood |
| Passivation | Chemical treatment for stainless steel/alloy; removes free iron contaminants and forms a passive oxide layer, boosting long-term corrosion resistance for industrial sanitary/precision parts. | CNC machining, Sheet metal fabrication | Stainless Steel, Other Corrosion-resistant Alloys |
| Powder Coating | Electrostatic dry powder coating; cures to a thick, chip-resistant finish with excellent color consistency, ideal for industrial metal/plastic components. | CNC machining, Sheet metal fabrication, Injection molding | Metals, Some Plastics |
| Electrophoresis | Electrophoretic deposition process; deposits a thin, uniform coating on conductive substrates, ensuring consistent coverage for complex industrial geometries. | CNC machining, Sheet metal fabrication | Metals, Ceramics |
| Brushed Finish | Mechanical abrasive belt finishing; creates a unidirectional satin texture, masking minor imperfections for decorative industrial metal components. | CNC machining, Sheet metal fabrication | Metals |
| SPI Finish | SPI-standardized surface finish for injection-molded plastics; ranges from high-gloss to matte, ensuring aesthetic/functional consistency for industrial plastic part production runs. | Injection molding | Plastics |
| Polishing | Mechanical/chemical finishing; smooths surfaces to a bright reflective finish, eliminating scratches for industrial precision/cleanliness-critical components. | CNC machining, Sheet metal fabrication | Metals, some hard plastics |
Elevate Your Product's Surface Performance
Your products deserve surface finishes that match their quality. Our surface treatment solutions enhance both the protective durability and visual appeal of your components. Whether for functional protection or aesthetic differentiation, each finish can be adapted to your material, design, and cost needs. Take your products to the next level today.
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