Aluminum Surface Treatment Solutions for Durability & Precision

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Sino Die Casting: Advanced Surface Treatment Solutions for Global Industries

Founded in 2008 in Shenzhen, China, Sino Die Casting is a high-tech manufacturer specializing in high-precision mold design, die casting, CNC machining, and customized surface treatment services. Our ISO 9001-certified facility integrates advanced technologies to deliver durable, aesthetically superior finishes for components across automotive, new energy, robotics, and telecommunications sectors. With expertise in over 30 surface treatment methods—including powder coating, anodizing, electroplating, and PVD coating—we ensure parts meet stringent industry standards for corrosion resistance, wear resistance, and visual appeal. Whether you require UV-stable finishes for outdoor telecom enclosures, hard-anodized coatings for robotic joints, or conductive plating for automotive electronics, our in-house lab rigorously tests each finish to guarantee performance in harsh environments. Exporting to over 50 countries, we support clients from rapid prototyping to mass production, offering tailo
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Why Sino Die Casting Leads in Surface Treatment Innovation

Multi-Industry Expertise with Customized Finishes

Our team develops industry-specific surface treatments: automotive components receive hard-anodized coatings for abrasion resistance, telecom parts undergo triple-layer powder coating for salt-fog durability, and robotics joints utilize PVD coatings for low-friction performance. A leading EV battery manufacturer reduced warranty claims by 40% using our anti-corrosion treatments.

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Sino Die Casting, founded in 2008 in Shenzhen, China, is well - versed in the intricacies of aluminum surface treatment, a crucial process in enhancing the performance and aesthetics of aluminum components widely used in various industries including automotive, new energy, robotics, and telecommunications.Aluminum, while being a lightweight and versatile metal, requires proper surface treatment to unlock its full potential. One of the primary reasons for aluminum surface treatment is to improve its corrosion resistance. In the automotive industry, for example, aluminum parts are exposed to harsh environmental conditions such as moisture, salt, and chemicals. Without proper treatment, aluminum is susceptible to corrosion, which can lead to structural damage and reduced lifespan of the components. Our aluminum surface treatment processes include anodizing, which creates a protective oxide layer on the surface of the aluminum. This oxide layer acts as a barrier, preventing the aluminum from coming into direct contact with corrosive substances. Anodizing also offers the advantage of allowing for different colors to be applied to the aluminum surface, enhancing its aesthetic appeal. This is particularly useful in the automotive industry where visual appeal is an important factor in vehicle design.Another common aluminum surface treatment method we employ is powder coating. Powder coating involves applying a dry powder to the aluminum surface and then curing it under heat. The resulting finish is highly durable, resistant to scratches, chips, and fading. It provides excellent protection against corrosion and is also environmentally friendly as it does not contain solvents like traditional liquid paints. In the new energy sector, where aluminum components are used in battery enclosures and other critical parts, powder coating ensures long - term reliability and performance.We also offer chemical conversion coating as part of our aluminum surface treatment services. Chemical conversion coatings create a thin, adherent layer on the aluminum surface that improves paint adhesion and corrosion resistance. This is especially important in the telecommunications industry, where aluminum parts are often painted for identification and protection purposes. The chemical conversion coating ensures that the paint adheres firmly to the aluminum, preventing peeling and flaking over time.Our state - of - the - art facilities and experienced team enable us to customize the aluminum surface treatment according to the specific requirements of our clients. We strictly adhere to ISO 9001 standards, ensuring consistent quality in every treatment process. Whether it's a small batch of custom - made aluminum parts for robotics or large - scale production for the automotive industry, we are committed to providing high - quality aluminum surface treatment solutions that enhance the performance and longevity of the components.

Frequently Asked Questions

How do you ensure adhesion on complex CNC-machined geometries?

We pre-treat parts with alkaline cleaning, micro-etching, and zinc phosphate conversion coating. For deep recesses, we use robotic spray guns with adjustable angles to achieve 100% coverage.

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Brooklyn
Cost-Effective Compliance with RoHS 3

By replacing our old hexavalent chromium plating with Sino’s trivalent process, we cut chemical disposal costs by 60% while maintaining 500-hour neutral salt spray performance.

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