Sheet metal pipe cutting

Professional sheet metal surface finishing service. Powder coating, anodizing, brushing, sandblasting for stainless steel, aluminum & carbon steel. OEM metal finishing after laser cutting, bending & welding. 

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Product Overview 

Our surface finishing service provides comprehensive sheet metal surface treatment to enhance corrosion resistance, wear protection and aesthetic appearance for custom metal parts. We offer powder coating, anodizing, sandblasting, wire brushing, passivation and plating for aluminum, stainless steel and carbon steel components. This metal finishing process is applied after laser cutting, bending, CNC machining and welding. We deliver uniform coatings and consistent surface textures for prototype and mass production. Finished sheet metal parts widely used in energy storage cabinets, power equipment, agricultural machinery and smart enclosures. Send your CAD drawings and finish specifications for quotation.

Our Surface Finishing Capabilities

Our sheet metal surface finishing service supports multiple types of metal surface treatments for different functional and cosmetic requirements.

• Finishing options: Powder coating, hard & clear anodizing, sandblasting, wire brushing, passivation, zinc plating, chrome plating, deburring

• Color options: Custom RAL colors for powder coating; natural or dyed colors for aluminum anodizing

• Function: Anti-corrosion, wear resistance, insulation, scratch resistance, decorative appearance

• Accept files: DXF, DWG, STEP, IGES with surface finish requirements

• Applicable parts: Laser cut blanks, bent sheet metal housings, welded assemblies, CNC machined components

• Pre-process: Deburr, remove weld spatter, clean surface before coating

Why Choose Our Surface Finishing Service

1. Diverse metal finishing options: Match your requirements for protection, insulation or cosmetic look.

2. Strict coating thickness control: Consistent layer thickness and uniform finish for sheet metal parts.

3. Pre-finish cleaning & preparation: Deburr and remove weld marks before surface treatment for high-quality results.

4. Flexible batch support: Prototype finishing, small batch and mass production for OEM metal components.

5. One-stop sheet metal fabrication: Surface finishing paired with laser cutting, bending, welding & assembly to simplify your supply chain.

Materials for Surface Finishing

Our surface finishing service works on most industrial sheet metal and CNC machined materials.

• Aluminum (6061,5052): Anodizing, powder coating, sandblasting and brushing for lightweight equipment housings and energy storage enclosures

• Stainless steel (304/316): Passivation, brushing, sandblasting for corrosion-resistant cabinet panels

• Carbon steel / mild steel: Powder coating, zinc plating for structural brackets and frames

• Galvanized steel: Custom powder coating for electrical cabinet assemblies

Applications of Surface Finished Metal Parts

Our custom surface finishing service supplies treated metal components for a wide range of industrial applications: 

✅ Energy storage & new energy: Powder coated battery cabinet shells, anodized mounting brackets ✅ Electrical & power industry: Treated control cabinet panels, busbar surface finishing 

✅ Agricultural machinery: Anti-corrosion coated sheet metal protective covers and frames 

✅ Industrial automation: Finished machine housings, coated support plates 

✅ Smart cabinets & kiosks: Decorative & protective powder coated enclosure assemblies 

✅ Construction: Weather-proof coated metal brackets and structural parts

Workflow of Surface Finishing Fabrication

The workflow for our surface finishing service follows standardized quality steps:

1. Receive your finished metal parts / CAD drawings with surface finish specs, color and thickness requirements

2. Pre-inspection: Check parts for burrs, weld spatter and surface defects

3. Pre-treatment: Degreasing, cleaning, sandblasting or grinding preparation

4. Surface treatment: Powder coating / anodizing / brushing / passivation as requested

5. Post inspection: Thickness test, adhesion test, visual quality check

6. Packing and worldwide shipment

Advantages: 

Dual Welding Process Matching
Support professionalMIG welding service and TIG welding service. MIG welding features high efficiency and firm penetration for thick plate structural parts; TIG welding presents smooth and beautiful welds without welding scars, suitable for high-precision and high-appearance sheet metal weldment.
Robot Intelligent Welding 
Adopt advanced robotic welding service to realize standardized and intelligent welding production. Accurate trajectory positioning and stable current output ensure uniform welds, effectively reduce welding deformation and defect rate, and guarantee consistent batch quality for welding fabrication parts.
Full-Structure Customization 
Customize diversified welded structure products, including welded frame, welded enclosure, welded bracket and welded chassis. Support non-standard structural welding andmetal sub-assembly processing to meet diverse industrial design requirements.
One-Stop Welding & Assembly 
Integrate custom metal welding, sheet metal forming and precision welding assembly services. From single welding parts to complete welded assembly and equipment sub-assembly, we provide full-process solutions to save procurement costs and shorten lead time.
Free DFM Analysis & Strict QC 
Free DFM manufacturability analysis before production, optimize welding structure to avoid deformation and welding defects. Full inspection of weld firmness, flatness and structural strength to ensure zero defective delivery for all custom welding parts.
Flexible MOQ & OEM Support 
As a professionalwelding service manufacturer and welding assembly manufacturer, we have no MOQ limit, supporting 1pc prototype, small batch trial and large-scale OEM welding service mass production.

Main Processing Products

welded frame：Custom welded equipment frames, machine support frames, structural rack frames

welded enclosure：Welded equipment housings, cabinet enclosures, protective shell weldments

welded bracket：Welded mounting brackets, fixed support brackets, equipment connection brackets

welded chassis：Welded electrical chassis, instrument chassis, control box chassis parts

welded assembly：Integrated welding assembly parts, mechanical overall weldment components

metal sub-assembly：Precision metal component assembly, sheet metal secondary assembly forming

welded structure：Industrial equipment welded structural parts, load-bearing weldment parts

sheet metal weldment：Universal customized sheet metal welding parts for industrial assembly 

Order Process

Submit Drawings & Requirements 
Upload 2D/3D drawings, confirm material, size, welding process, assembly standard and quantity requirements.
Free DFM Analysis & Quotation 
Professional welding and assembly manufacturability evaluation, optimize welding structure, avoid deformation risks, provide official quote within hours.
Order Confirmation & Production 
Confirm all processing details, arrange robotic welding and manual fine welding production schedule.
Strict Quality Inspection
Inspect weld firmness, surface flatness, assembly precision and overall structural stability to ensure qualified products.
Professional Packaging & Global Delivery 
Anti-rust, anti-scratch and anti-collision professional packaging, support global logistics delivery with tracking service.
After-sales Technical Support 
Long-term technical follow-up to solve assembly matching and structural usage problems.

Core Service Advantages

Full‑Process In‑House Surface Finishing 
We have our own complete metal surface finishing service production line: powder coating and sheet metal cutting, bending, welding and CNC machining are produced in a coordinated manner, avoiding the risks of multi-factory transfer, shortening the delivery time and ensuring the overall quality consistency of surface-treated sheet metal parts.

Multiple Custom‑Color & Functional Coating Options 
Offer custom color powder coating with RAL / Pantone color matching. Supply anti‑corrosion coating service, UV‑resistant powder coating, eco‑friendly powder coating, marine‑grade coating and food‑grade coating for diverse application scenarios. We can also do masking for critical tolerance surfaces to avoid coating interference during assembly.

Process‑Matching Technical Recommendation 
Professional DFM review before production. Our engineers recommend the most suitablesurface treatment service according to substrate material, working environment (indoor/outdoor/marine), anti‑corrosion target, wear‑resistance requirement, appearance standard and assembly tolerance, to prevent improper coating selection causing failure of powder coated enclosure, powder coated bracket and other components.

Strict Quality Control & Performance Testing 
Implement complete inspection items: coating‑thickness test, adhesion cross‑hatch test, salt‑spray anti‑corrosion test, appearance visual inspection and dimension recheck after finishing. Ensure qualified performance for galvanized parts, anodized parts, e‑coated parts before shipment.

Flexible MOQ & OEM Compatibility 
As experienced surface treatment China supplier, we accept 1‑pc prototype, small‑batch trial and mass‑volumeOEM sheet‑metal fabrication orders. We can work as standalonepowder coating service contractor or full‑process sheet‑metal+finishing partner according to client requirements.
Fast Turnaround & Safe Packaging
Standard lead‑time for surface finishing is 7-14 working‑days, expedited orders available. Anti‑scratch, anti‑collision packaging to protect coating layers against damage during global logistics transportation.

Main Process & Finished Parts

powder coating / powder coating service：powder coated enclosure, powder coated bracket. Smooth matte/gloss custom‑color coating, excellent outdoor UV‑resistance, for enclosures, chassis, brackets and cabinet components

e‑coating / electrocoating service：e‑coated parts. Ultra‑uniform thin film for complex‑shaped precision components, stable anti‑corrosion, minimal dimension change, suitable for precision assembly parts

anodizing service / aluminum anodizing：anodized parts. Only for aluminum alloy. Integral hard oxide layer, dyeable colors, high wear‑resistance, no peeling risk, for aluminum housings, brackets and panels

galvanizing service & zinc‑nickel plating：galvanized parts. Sacrificial anti‑corrosion protection for steel parts, greatly improve rust resistance for outdoor structural components

metal painting service：painted metal parts. Custom liquid painting for special‑color or special‑texture requirements, flexible for small‑batch projects

general finished product：surface treated sheet metal，all kinds of coated sheet‑metal housings, chassis, brackets, frames, panels, assemblies