
Surface Treatment Services
Custom Metal Finishing | Doing Metal
Enhancing durability and beauty with expert oxidation, electroplating, and powder coating
Available Surface Finishes
Transform your raw fabricated parts with our professional finishing services.
We offer tailored treatments to refine aesthetic appeal, surface friction, structural hardness, and chemical resistance, delivering mission-critical parts ready for assembly.
Standard Finish




Brushed Finish
Bead Blasting
Uniform Aesthetics. Utilizing fine glass bead media to achieve a consistent satin finish. Ideal for masking fabrication marks and preparing surfaces for high-end industrial applications.
Focus on Precision. High-precision parts straight from our laser and bending cells. Every edge is meticulously deburred by hand or machine to ensure safety and readiness for your assembly line.
Premium Texture. A classic #180 grit linear grain applied by skilled technicians. This finish not only lowers surface Ra values but also provides a high-quality decorative touch for visible components.




Brushed + Anodized Type II
Anodized Type III (Hardcoat)
Bead Blasted + Anodized Type II
Premium Look & Feel. A decorative brushed texture paired with a protective oxide layer. Increases corrosion resistance and provides a professional, high-end metallic aesthetic.
Uniform Matte Finish. Masks fabrication marks with a grainy texture and Type II protection. Durable, non-reflective, and highly resistant to environmental wear.
Maximum Durability. Our toughest surface treatment. Delivers superior hardness and extreme wear resistance for parts that must withstand harsh industrial friction or weather.




Chromate Conversion (Alodine)
Black Oxide
Powder Coated
Conductive Protection. An eco-friendly, RoHS-compliant treatment for aluminum. Prevents oxidation while ensuring excellent electrical grounding and paint adhesion.
Precision & Anti-Glare. Enhances steel parts with a professional matte black look. Provides moderate corrosion protection with zero dimensional change, perfect for optical or mechanical components.
Superior Durability. A robust, wear-resistant finish available in various colors. Protects against scratches, fading, and environmental wear for long-lasting industrial use.
High-Quality Surface Treatment Parts Gallery
A selection of treated surfaces showcasing our expertise.
















OUR CARTS & TROLLEYS SERIES
Library Cart
Platform Trolley
Warehouse Trolley
Cage Trolley
Tool Trolley
Film TV Trolley
Ideal for logistics centers, manufacturing workshops, and delivery services where durability and stability are paramount for transporting bulk items.
Platform Trolley
Description
Applications
Our heavy-duty platform trolleys are engineered for demanding industrial environments. Featuring a high-strength carbon steel frame and a reinforced non-slip deck, these carts offer a load capacity ranging from 150kg to 500kg. The ergonomic handle design ensures ease of maneuverability, while the wear-resistant polyurethane (PU) casters provide smooth, quiet movement across warehouse floors.
Library Cart
Cage Trolley
Warehouse Trolley
Tool Trolley
Film TV Trolley
Designed for quiet operation and sleek organization, our multi-tier library carts are a staple for educational and corporate environments. Constructed with precision laser-cut sheet metal and finished with a premium anti-rust powder coating, these carts feature V-shaped or flat shelves to keep books secure. The 360-degree swivel medical-grade silent casters allow for effortless gliding in noise-sensitive areas.
Perfect for public libraries, university archives, school classrooms, and office file management, combining aesthetic appeal with long-lasting structural integrity.
Maximize security and visibility with our industrial wire mesh cage trolleys. These security roll containers are fabricated from heavy-duty galvanized steel to prevent corrosion. The foldable mesh sides provide easy access while protecting goods from falling during transit. Equipped with lockable brakes and high-load bearing wheels, they ensure safety even on sloped surfaces.
Widely used in laundry facilities, retail stockrooms, and distribution centers for secure high-volume material handling and inventory storage.
Built for efficiency, our warehouse picking trolleys feature a modular design that can be customized with various handle configurations and wheel types (pneumatic or solid rubber). The thickened steel baseboard is designed to withstand impact and heavy daily use. With a focus on DFM (Design for Manufacturing), these trolleys balance lightweight agility with rugged structural engineering.
An essential tool for e-commerce fulfillment centers, supermarket stocking, and general warehouse logistics to streamline the order-picking process.
Stay organized with our professional-grade metal tool trolleys, featuring perforated side panels (pegboards) for custom hook attachments. These carts are built using CNC bending and precision welding for a seamless, heavy-duty finish. Multiple shelf layers provide ample storage for hardware, while the integrated push bars and lockable casters offer a portable workstation solution.
Optimized for automotive repair shops, CNC machining centers, maintenance departments, and DIY workshops where tool accessibility is key.
Our specialized film and TV production trolleys are designed to carry sensitive, high-value equipment. Featuring reinforced frames and oversized shock-absorbing pneumatic tires, these carts can navigate uneven outdoor terrain without vibrating delicate gear. The multi-level shelving is designed with high-lip edges to prevent equipment from sliding, finished in a non-reflective matte black coating.
The go-to choice for film sets, photography studios, and outside broadcast (OB) units for transporting cameras, lighting kits, and sound gear.
Get in Touch
Have questions about oxidation, electroplating, or powder coating? We're here to help.
Phone
+86 18158549983
Gao@doingmetal.com
Feedback
Service Regions: "Proudly serving clients in the UK (United Kingdom), USA (United States), Australia, and Europe.
Specialized in export-quality sheet metal fabrication and finishing."
Hear from clients who've used our surface treatments.
The powder coating gave our parts a smooth, durable finish that exceeded expectations.
Mark L.
Austin TX
Electroplating improved corrosion resistance beautifully, making our components last longer outdoors.
Eva M.
Denver CO
★★★★★
★★★★★
Reach out for custom metal fabrication solutions.
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ADDRESS
No 18 Zhenxing South Road, Qijiashan Street, Beilun District, Ningbo City, Zhejiang Province.


















