Explore our core custom-manufactured product ranges, built with state-of-the-art Japanese machinery and rigorous ISO 9001:2015 quality standards.
Founded as an owner-managed family enterprise, XinYe Metal has evolved into a premier small-to-medium enterprise (SME) specializing in advanced metal fabrication and sophisticated chemical surface treatments. Strategically located within the Ningbo Jiangbei Industrial Zone, our facility is within a 3-hour high-speed rail connection of Shanghai International Airport, allowing for efficient global logistics.
Spanning a total production floor of 16,000 square meters, with an additional 11,000 square meters under construction, our infrastructure is designed to accommodate large-scale production. We employ 130 professionals, including 80 highly skilled production staff and 50 experts dedicated to engineering, product development, quality control, and management processes.
Established
Production Area (m²)
Employees
Technical Patents
A comprehensive analysis of specular reflectance, chemical formulations, and micro-roughness control in industrial applications.
Aluminum chemical polishing, specifically known as Bright Dipping, is a high-precision chemical process designed to elevate the specular reflectance of aluminum alloys to a mirror-like finish. Unlike mechanical buffing, which can introduce directional micro-scratches and surface stresses, bright dipping leverages a specialized phosphoric-nitric acid bath. This process selectively dissolves the microscopic peaks (asperities) of the aluminum surface, yielding an ultra-smooth finish with outstanding clarity.
The efficiency and final specular quality of a bright dip process depend heavily on the metallurgical structure of the substrate material. The selection of the alloy plays a vital role:
Achieving specular gloss values exceeding 85 GU (Gloss Units) at a 60-degree measurement angle, ensuring premium reflectivity.
Reducing the surface roughness (Ra) down to sub-micron levels (<0.1 µm) to minimize light scattering and optimize optical clarity.
Seamless synergy with subsequent clear anodizing to lock in specular properties while providing superior corrosion protection.
| Parameters | Chemical Bright Dipping | Electropolishing | Mechanical Buffing |
|---|---|---|---|
| Mechanism | Chemical dissolution in hot acid mixture | Anodic dissolution with electrical current | Physical abrasive cutting and flattening |
| Typical Ra Roughness | 0.05 µm – 0.15 µm | 0.02 µm – 0.10 µm | 0.20 µm – 0.40 µm |
| Complexity of Geometry | Excellent for complex, threaded & inner surfaces | Moderate; requires conforming cathodes | Poor; limited to flat or convex exterior shapes |
| Surface Stress | Relieved / Stress-free | Stress-free | Induced compressive/tensile stress |
| Production Scalability | High (bulk rack/basket configurations) | Medium (requires electrical connections) | Low (labor intensive or multi-axis robotics) |
Innovation-driven chemical engineering for modern industrial requirements.
As a leading global supplier, XinYe is continuously modernizing our surface finishing technologies. Traditional bright dipping relies heavily on concentrated nitric and phosphoric acid mixtures, which present environmental challenges due to NOx gas emissions and phosphate discharge. Our R&D team is piloting a series of technological advancements:
High-reflectivity and ultra-pure surfaces customized for specialized applications.
Providing custom surface finishes for components like Aviation Fuel Hydrant Pit Boxes, turbine inlets, and structural hinge brackets requiring optimal corrosion resistance and zero particulate shedding.
Mirror-like decorative trims, premium gear shift components, and robust e-bike components (tubes, connectors, levers) designed for weathering resistance.
Supplying compliant finishes for high-use appliances, such as cream whippers, catering cooktops, and components exposed to organic acids, preventing bacterial accumulation.
Sterilizable, specular components for surgical lighting reflectors, diagnostic enclosures, and clinical instrumentation requiring high cleanability.
Take a virtual look inside our factory floors, displaying our modern hot forging presses, 4-axis CNC machine centers, and laboratory analysis.
Friction presses ranging from 300 to 1,000 tons. Column hydraulic machinery from 100 to 630 tons. Punching presses from 5 to 250 tons.
High-precision multi-axis machining centers, turning and milling equipment capable of holding dimensional tolerances of 0.001 mm.
Equipped with 3D coordinate measuring machines (CMM), optical video systems, roughness testers, and mechanical performance verification systems.
XinYe has established structured workflows to guarantee conformance from incoming raw materials to final shipment packaging.
Operating under certified ISO 9001:2015 and SA8000 quality systems, our quality inspectors monitor raw material chemical composition and mechanical properties from arrival.
Validates 3D geometries and coordinate tolerances with high precision.
Non-contact optical inspection for microscopic dimensional accuracy.
Ensures that the Ra finish on bright dipped parts stays within specification.
Strategic logistics and flexible operational capabilities to meet shifting market demands.
In today's fast-moving economic landscape, supply chain agility is a key competitive differentiator. XinYe's operations are designed to provide maximum reliability:
Our facility runs on a standard 16-hour schedule, 6 days a week. To accommodate unexpected demand fluctuations, we can transition to a 24/7 continuous operation within 30 days.
Located near Ningbo Port—one of the busiest deep-water ports globally—and major expressways, we offer shipping options with minimal inland transport transit times.
Our bright dipping and electrochemical processing lines adhere to national emissions regulations, ensuring steady production schedules.
A step-by-step validation process structured to manage risks from initial design to volume production.
Upload engineering 2D/3D drawings. Our engineering team reviews metal alloys and finishing tolerances.
Fabrication of progressive dies, forging cavities, or custom CNC fixtures for trial production.
Detailed dimensional measurement reports, chemical certificates, and surface gloss tests are sent for customer sign-off.
Batch processing with scheduled quality checks and continuous monitoring of bright dipping baths.
Comprehensive 12-month quality guarantee covering material defect verification and surface integrity.
Examples of custom metal components fabricated and finished at our facility.
Forged 6000-series structural elements designed to withstand high operational stresses.
Precision transmission components requiring tight tolerances and specialized surface protection.
Aviation pit boxes and turbine inlets finished for optimal protection against atmospheric corrosion.
Cutter discs and feed rollers fabricated from heavy-grade carbon and alloy steels.
Answers to common questions about our custom fabrication and chemical bright dipping services.
Our pricing varies based on the raw metal choice, production volume, tooling requirements, and chemical bath complexity. Contact our engineering desk with your drawings for a detailed quotation.
Yes, we establish standard MOQs for ongoing international shipments to ensure production efficiency. Contact us to discuss arrangements for pilot orders.
Yes, we provide standard conformance documentation, including Certificates of Analysis (CoA), physical test data, raw material compositions, and export certificates.
Sample production usually takes 7 to 10 days, while volume mass production is typically completed in 20 to 30 days after drawing sign-off and receipt of deposit.
We support standard wire transfers, typically structured as a 30% deposit in advance and the remaining 70% balance settled against copy of B/L documentation.
Yes, we provide a 12-month quality guarantee on materials and workmanship, resolving surface or dimensional issues to your specifications.
We use protective packaging, including individual cell dividers, protective film overlays, and vacuum seal packs, ensuring sensitive surfaces arrive free of scratches.
5000-series (like 5252 and 5657) and 6000-series (like 6063) alloys provide the best specular results. For high structural strength, 6061 can be processed with slight variations in reflectivity.
Select a product to view technical specifications and request an engineering quote.
XinYe Metal