Efficient & Stable Surface Finishing Services

  • Serve metal, plastic & composite components
  • Enhance functional protection & aesthetic differentiation
  • Deliver consistent high-quality surface results
  • Ensure reliable cost-efficient performance
Professional surface finishing services for metal and plastic components
15+Years in Business
250,000+Unique Parts Produced
28,000+Customers Served
99.8%On-time Delivery
ISO9001:2015 Certified

Trusted bynumerous companies

ABB
BMW
Bombardier
Electrolux
FLIR
Google
I-Dent
Lamborghini
Tesla
ABB
BMW
Bombardier
Electrolux
FLIR
Google
I-Dent
Lamborghini
Tesla

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

Surface Finishing ServicesWith LS Manufacturing

Surface finishing services with 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.

Colorful anodized aluminum parts showcasing surface finishing quality

Surface Finishing We Offer

Surface FinishesDescriptionServicesApplicable Materials
As MachinedIndustrial-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 fabricationMetals, Plastics
Sand BlastingControlled-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 fabricationMetals, Plastics
TumblingIndustrial 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 fabricationMetals, Plastics, Glass
ElectropolishPrecision electrochemical finishing that smooths, polishes, and deburrs metal surfaces; produces a high-gloss, corrosion-resistant finish critical for sanitary/precision industrial applications.CNC machiningStainless steel, Copper, Aluminum
Heat TreatmentCustom thermal processing to modify material physical/chemical properties; enhances mechanical performance (hardness/tensile strength) for industrial load-bearing components.CNC machiningMetals
AlodineChromate conversion coating for aluminum alloys; provides robust corrosion protection and acts as a premium primer for industrial paint adhesion.CNC machining, Sheet metal fabricationAluminum, Aerospace Alloys
AnodizingElectrochemical process growing a dense oxide layer on aluminum; boosts corrosion/wear resistance, with a porous base for industrial dyeing/sealing.CNC Machining, Sheet metal fabricationAluminum
Teflon CoatingPrecision PTFE coating deposition; delivers low-friction performance, chemical resistance, and corrosion protection for components in harsh industrial environments.CNC machining, Sheet metal fabrication, Injection moldingMetals, Plastics
Black OxideHot 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 fabricationSteel, Iron
Electroless PlatingAutocatalytic chemical plating; deposits uniform metal coatings (e.g., nickel) on complex geometries/non-conductors, meeting industrial coating uniformity standards.CNC machining, Injection molding, 3D printingMetals, Plastics
ElectroplatingElectrolytic plating with customizable coating thickness; enhances wear resistance/conductivity for industrial electrical/mechanical components.CNC machining, Sheet metal fabricationMetals
PaintingIndustrial-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 printingMetals, Plastics, Wood
PassivationChemical 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 fabricationStainless Steel, Other Corrosion-resistant Alloys
Powder CoatingElectrostatic 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 moldingMetals, Some Plastics
ElectrophoresisElectrophoretic deposition process; deposits a thin, uniform coating on conductive substrates, ensuring consistent coverage for complex industrial geometries.CNC machining, Sheet metal fabricationMetals, Ceramics
Brushed FinishMechanical abrasive belt finishing; creates a unidirectional satin texture, masking minor imperfections for decorative industrial metal components.CNC machining, Sheet metal fabricationMetals
SPI FinishSPI-standardized surface finish for injection-molded plastics; ranges from high-gloss to matte, ensuring aesthetic/functional consistency for industrial plastic part production runs.Injection moldingPlastics
PolishingMechanical/chemical finishing; smooths surfaces to a bright reflective finish, eliminating scratches for industrial precision/cleanliness-critical components.CNC machining, Sheet metal fabricationMetals, 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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Gold CNC machined part on engineering blueprint showcasing surface finishing quality

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