Explore our advanced capabilities ranging from custom metal forming to structural surface passivation.
In modern engineering and aerospace design, raw aluminum alloys fall short of meeting severe service requirements without targeted surface modifications. As light-weighting continues to dominate modern aerospace, automotive, and consumer electronics roadmaps, the application of electrochemical anodizing has shifted from a cosmetic enhancement to a critical design imperative. Anodizing converts the outer metallic envelope of the aluminum alloy into an integrated, ultra-hard aluminum oxide layer (Al₂O₃), rendering the component highly resistant to wear, corrosion, and electric conduction.
Choosing the right OEM anodized aluminum factory means evaluating their ability to maintain precision tolerances while achieving consistent coating parameters across thousands of units. Global industries face continuous pressure to achieve carbon reduction goals, making the green credentials and chemical safety protocols of factories essential criteria for top-tier procurement.
A premier SME corporation delivering professional-grade fabrication and metal finishes since 1996.
Founded in 1996 as an owner-managed family enterprise, Ningbo Jiangbei XinYe Metal Works Co., Ltd. has developed into a leading Chinese precision metal exporter. Strategically located within the Ningbo Jiangbei Industrial Zone, our facility is within three hours of Shanghai International Airport via China's high-speed rail network.
Our total operational area covers 16,000 square meters of production floor space, complemented by 11,000 square meters of ongoing construction. Our active workforce comprises 130 dedicated personnel, including 80 highly skilled production operators and 50 experts specialized in product development, quality control, operations, and technical management. We hold over 20 technical utility model patents, demonstrating our commitment to manufacturing innovation.




Combining primary shaping processes with state-of-the-art anodizing and surface finishes.
Equipped with 4-axis control CNC machining centers, precision CNC turning machines, and advanced CNC milling centers to maintain dimensional tolerances within 0.001mm.
Utilizing high-power friction press machines ranging from 300 to 1,000 tons, and hydraulic column machines (100 to 630 tons) to optimize alloy grain structures.
Operating mechanical punch presses from 5 tons to 250 tons to process steel, copper, structural alloys, and performance engineering plastics with high cycle efficiency.
Providing precision investment castings and aluminum die castings to reduce machining waste and produce near-net-shape structural parts.
In-house chemical surface lines that produce industrial-grade anodized finishes, passivations, and electrochemical polishing for maximum wear and corrosion resistance.
A clean, dedicated assembly floor that delivers fully assembled products and modules, reducing supply chain complexity and logistics costs for our customers.
Explore the electrochemical parameters used to create our durable barrier coatings.
| Anodizing Type (MIL-A-8625) | Oxide Layer Thickness | Primary Industrial Objective | Ideal Aluminum Alloys |
|---|---|---|---|
| Type I: Chromic Acid Anodizing | 0.5 μm – 2.5 μm | Aerospace structures, fatigue-critical components requiring thin corrosion resistance. | 2000 series, 7000 series high-strength alloys. |
| Type II: Sulfuric Acid Anodizing | 1.8 μm – 25 μm | General purpose surface protection, colored decorative finishes, architectural panels. | 5000, 6000, 7000 series extruded/stamped alloys. |
| Type III: Hardcoat Anodizing | 25 μm – 100+ μm | High-wear industrial components, hydraulic cylinders, sliding pistons, marine hardware. | 6000 series (6061-T6), certain cast alloys. |
| Electropolishing (Chemical Passivation) | Micro-smoothing | Ultraclean surfaces for medical instruments, food processing, and semiconductor tooling. | Austenitic Stainless Steel (304, 316L). |
Our chemical processing facility controls electrolyte temperatures within ±1°C of target parameters. During Type III Hardcoat Anodizing, the temperature of the sulfuric acid bath is maintained near 0°C. This limits natural chemical dissolution of the forming layer, encouraging uniform pore structures that can be sealed with nickel acetate, hot deionized water, or sodium dichromate solutions.
Through careful current density management, we prevent burnt edges and uneven coating distribution. This ensures that even complex components, such as deep-drawn enclosures and multi-axis machined blocks, receive a uniform protective oxide barrier that meets structural specification tolerances.
Discover how our components are deployed in demanding global applications.
Fire and toxic gas detection enclosures for the petrochemical and mining industries. Our housings resist explosion dynamics and environmental salt-spray corrosion.
Structural transmission brackets, turbine inlet housings, and fueling system subassemblies, including specialized aviation fuel hydrant pit boxes.
Precision lightweight drive-train housings, transmission components, and structural e-bike frames, tube connectors, and levers.
Whipped cream canisters, cooking equipment panels, and clinical diagnostic enclosures designed to withstand daily chemical sanitation cycles.


Ningbo is home to the world's busiest port by cargo tonnage, providing our customers with logistical advantages and direct ocean freight connections. This allows us to rapidly secure certified raw materials and ship finished products to North American, European, and global markets efficiently.
Our facility operates on a standard schedule of 16 hours per day, 6 days per week. During high-demand cycles or sudden supply disruptions, we can transition to a continuous 24/7 production schedule within 30 days.
This capacity scaling is supported by our regional network of metal chemical processors and forging suppliers, helping us protect client production schedules against market volatility.
Certified to ISO 9001:2015 and SA8000 to deliver consistent engineering precision.
A traceably managed process from engineering drawings to container shipment.
We review client engineering drawings (DWG, STEP, IGS), material specifications, tolerance requests, anodizing thickness targets, and delivery schedules.

We manufacture initial prototypes, perform dimensional inspections, and issue material and compliance certificates (MTRs) for customer approval.



We analyze testing feedback, make any necessary tooling adjustments, and optimize fixtures to prepare for mass production.


We launch bulk manufacturing with quality inspection gates after forming, machining, and surface treatment, followed by final protective packaging.

We provide a one-year warranty on manufacturing defects, maintain production files for traceability, and offer engineering support for subsequent runs.


Explore our manufacturing processes and equipment through our video tours.
Discover how we resolve engineering challenges for demanding applications.
Hot-forged structural components machined and surface treated for heavy equipment applications.
Chassis and powertrain components engineered to meet tight dimensional and performance tolerances.
Anodized aluminum components and assemblies for commercial airport fueling systems.
Heavy-duty, wear-resistant components designed for forestry and wood recycling equipment.
As an SA8000-certified manufacturer, we uphold high standards for workplace safety, fair compensation, and ethical operations. We believe industrial productivity is built on the well-being of our workers and the trust of our clients.
"Always comes first, our priority, our responsibility, to exceed your expectations." We prioritize building long-term relationships through transparent communication.
"Taking any action carefully and detailed as the commitment to give a total solution and services based on principals, customers and employees’ needs and desires."
"What we do, what we create, what we give it all with an attitude, dedication and ambition. We always give it all with an improvement."
Detailed technical and operational answers to support your procurement process.
Choose from our verified product lines, manufactured under strict quality standards.