Large-scale automated surface treatment production line with overhead conveyor system at Sureton factory.

Surface Treatment

Need an expert rapid prototyping service? We bridge design to production. Request an instant quote with free engineering analysis for precision parts within one day.

Surface Treatment (or Surface Finishing) is a process designed to modify a material’s surface, enhancing its durabilityaesthetics, and functionality. Commonly applied to metals, plastics, and glass, it creates protective coatings or decorative layers. This technique is essential for maximizing corrosion resistancewear resistance, and the overall visual appeal of components.

What is Surface Treatment?

Industrial overhead conveyor system for metal surface treatment and finishing processes at Sureton.

Surface Treatment Types - Process Overview

At Sureton, we provide high-quality surface finishing services that boost durability, superior corrosion protection, and visual appeal. Our eco-conscious surface treatments comply with rigorous environmental regulations, supporting your goals for green manufacturing and sustainable product development.

Custom Painting

We apply advanced, eco-friendly paints to create precise, customizable color finishes. Our spray painting service ensures a smooth, high-quality decorative appearance for a wide range of surfaces.

Industrial Powder Coating

Designed for metal surfaces, this technique provides a robust shield against rust and scratches. Offering superior corrosion resistance, it ensures outdoor durability for heavy-duty industrial equipment.

UV Surface Treatment

Using instant UV curing technology, this method boosts surface hardness and chemical resistanceUV coating is the optimal choice for protecting precision components with a long-lasting, premium finish.

Surface Treatment Department Overview

Operating four dedicated production lines, our Surface Treatment Department delivers premier industrial finishing solutions. Our specialists provide expert spray paintingpowder coating, and UV coating services. Each line is optimized for consistent quality and efficiency to meet diverse client specifications. We balance aesthetic enhancement with superior durability, all while adhering to strict eco-friendly practices. We ensure reliable surface finishing that adds significant value and longevity to your products.

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Post-Processing Inspection

After coating treatment, our team executes comprehensive quality inspections using CMM equipmentoptical systems, and precision micrometers. We validate that all dimensions match your design specifications. Only components satisfying our stringent quality standards are released for storage, ensuring we deliver high-precision products that meet all customer requirements.

Materials

Stacked aluminum alloy ingots raw material for high-pressure die casting and CNC machining at Sureton factory.

Aluminum Alloy

Aluminum die casting delivers lightweightcorrosion-resistant components with superior thermal conductivity. Highly recyclable and durable, these high-performance parts are the ideal choice for diverse industrial and automotive applications.

Aluminum ADC 12, ADC 6, A 360, A 380, 6061, 7075, etc.

Stacked zinc alloy ingots (Zamak) raw material for high-precision die casting and CNC machining at Sureton factory.

Zinc Alloy

Zinc die casting offers superior flowability, enabling intricate designs with tight tolerances and thin walls. This material combines high precision and natural corrosion resistance with cost-effective production, making it ideal for complex, high-volume components.

Zinc Zamak 3, Zamak 5, Zamak 2, ZA8

High-quality stainless steel raw materials including round pipes, square tubes, and solid bars for precision CNC machining at Sureton factory.

Steel and Others

Steel machining delivers exceptional strength, durability, and wear resistance for demanding applications, with excellent machinability and heat treatability for precision components.

Alloy Steels (4140/4340), Stainless Steels (303/304), Carbon Steels, Titanium Alloys, etc.

One-stop Processes

Mold Manufacturing

Precision mold manufacturing process with a multi-cavity injection mold on display.

High-accuracy aluminum and zinc alloy parts produced with state-of-the-art die casting machines ensuring precision and durability….

Die Casting

High-pressure die casting machine in operation at Sureton's manufacturing facility.

With machines from 88T to 800T, we produce high-accuracy aluminum and zinc alloy parts catering to diverse industrial needs…

CNC Machining

High-precision CNC machining center in operation, producing complex metal components.

Over 50 CNC machines, including 3-axis, 4-axis, and 5-axis, deliver precise and efficient machining for complex geometries….

Surface Treatment

Manual powder coating spray line for aluminum die casting parts at Sureton surface treatment workshop.

Specialized surface treatments enhance corrosion resistance and improve coating adhesion for long-lasting performance…

Chemical Pretreatment

Precision CNC machined parts with final surface polishing and laser marking at Sureton manufacturing facility.

Specialized surface treatments enhance corrosion resistance and improve coating adhesion…

Quality Inspection

A quality control technician performing precise dimensional inspection on a machined part.

Strict quality checks ensure compliance with ISO 9001 and IATF 16949 standards, utilizing advanced CMM measuring equipment… 

Custom Solutions

Products

FAQ

We offer processes such as sandblasting, anodizing, electroplating, powder coating, and coating treatments to meet various needs.

We enhance the corrosion resistance of parts through processes like anodizing, nickel-chromium electroplating, and anti-corrosion coating.

The treatment thickness can be controlled within 5-50μm and adjusted according to customer requirements.

Yes, we offer custom color matching using RAL/PANTONE color cards to meet customer specifications.

We use equipment such as thickness gauges, gloss meters, and salt spray tests to ensure the quality of surface treatments meets requirements.

Yes, our anodizing process is chromium-free, non-toxic, and complies with RoHS environmental standards.

Ceramic coatings and hard anodizing are suitable for high-temperature environments, withstanding temperatures above 400°C.

Teflon coatings, hard chrome plating, and micro-arc oxidation enhance wear resistance and are suitable for high-friction applications.

Yes, we can provide small-batch samples for customer testing and approval.

Yes, our chemical treatment process includes anti-baking tape services, which are particularly suitable for parts requiring high-temperature protection, ensuring stable performance in high-temperature environments.

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