Explore our core manufacturing capabilities, featuring high-tolerance custom fasteners, stamping, hot forging, and advanced casting components designed for global industries.
An in-depth guide to surface engineering, chemical conversion coatings, and supply chain logistics for custom industrial aluminum fasteners.
Modern engineering relies heavily on structural lightweighting, which has elevated the demand for high-strength aluminum fasteners. Standard steel fasteners often cause galvanic corrosion when mated with aluminum assemblies. Industrial procurement agents require anodizing bolts that meet precise tensile thresholds, maintain strict thread tolerances (such as 6g/6H metric or Class 2A/2B unified threads), and offer superior resistance to atmospheric and chemical degradation. Ensuring structural integrity while reducing vehicle or machine weight remains a primary driver.
Anodizing is an electrochemical process that converts the metal surface into a decorative, durable, corrosion-resistant, anodic oxide finish. For precision fasteners, Type II (sulfuric acid anodizing) and Type III (hardcoat anodizing) are standard. The dimensional impact is critical: anodizing builds up thickness on the surface (typically 5 to 25 microns) and penetrates the base metal at an equal depth. High-end manufacturers must calculate this dimensional change during the CNC machining stage, machining the threads slightly undersized (pre-anodize tolerance) to ensure a perfect fit after coating.
Operating a global supply chain requires adherence to localized regulations and rigorous quality standards. Components must comply with RoHS, REACH, and DFARS requirements. At Ningbo XinYe, we establish trace-controlled manufacturing documents (Mill Test Reports and Certificates of Conformance) to ease global customs clearance and satisfy strict aerospace and automotive regulatory audits. Local warehouse support, customized kitting, and dynamic buffer stock agreements ensure that production assemblies in North America and Europe never experience line stoppages.
Ningbo is a global hub for metal fabrication. Located near the Ningbo-Zhoushan port—the world's largest port by cargo throughput—our factory benefits from an integrated supply chain ecosystem. From raw material aluminum extrusion mills and specialized anodizing chemical suppliers to precision CNC tooling manufacturers, everything is situated within a 50-kilometer radius. This geographic clustering drastically reduces material transportation lead times, minimizes carbon footprint, and allows us to transfer cost efficiencies directly to our international clients.
Ningbo Jiangbei XinYe Metal Works Co., Ltd. was founded in 1996 as a family business and until today is an owner managed SME corporation. XINYE corporation is located in Ningbo Jiangbei Industrial Zone, in reach within 3 hours from Shanghai international airport via high speed train network.
Our company’s total area is 16,000 square meters of production floor, another 11,000 square meters are construction. Total staff is 130 employees, of which 80 production staff and 50 are in product development, engineering, quality and supporting areas including management.
We are able to offer in professional and competent qualification: CNC machining, Aluminum alloy forging, Wax die stainless casting, Extrusion and Stamping and Anodizing and E-polish Surface treatment. The XINYE team is committed to customer satisfaction offering a well established technology competence portfolio with complete set of processing equipment for production and machining. Our customers do not just appreciate our high quality standards but also are getting excited about the commitment and constant drive of XINYE for innovation and new technologies.
We continuously adapt and upgrade our machinery to stay aligned with customer requirements and industry breakthroughs.
Equipped with modern 4-axis control machining centers and turning centers for high-precision components with tolerances down to 0.001mm.
Friction presses ranging from 300 to 1000 tons provide structural integrity for high-stress automotive and structural applications.
Specialized investment casting process for stainless steel and alloys, providing intricate shapes with high surface finish quality.
Comprehensive pressing capability using 5-ton to 250-ton machines for steel, alloy, copper, and structural plastics.
In-house professional Type II / Type III anodizing, electro-polishing, and passivation lines to guarantee chemical resistance and exact color requirements.
CNC Machining & Precision Center
We maintain advanced manufacturing equipment imported from Japan to deliver consistency and extreme dimensional accuracy.
Heavy duty friction press machines with press force ranging from 300 tons to 1000 tons. Ideal for dense, high-strength aluminum forgings.
Column hydraulic machines with press force from 100 tons to 630 tons for steady-pressure drawing and stamping.
Punching press machines from 5 tons to 250 tons, 4-axis CNC machining centers, high-accuracy turning, and CNC milling systems.
Our factory operates on a standard schedule of 6 days per week, 16 hours per day. However, to accommodate urgent orders or high-volume seasonal spikes for global clients, we can scale to full 24/7 mode within 30 days. We hold ample dynamic warehouse space and undeveloped land reserves, allowing us to invest in dedicated machinery matching your exact multi-year program projections.
Quality is life. Ningbo Xinye maintains a comprehensive, traceable ISO 9001-2015 and SA8000 certified management system.
From chemical spectrum verification of raw materials to dimensional checking of finished parts, every single production stage features automated check-points, traceable inspection sheets, and active logging.
Verifies alloy compositions before extrusion or forging runs.
3D coordinate measuring system for micron-level tolerance mapping.
Optical measurement unit for checking fastener profiles and threads.
Ensures no blind spots during high-speed batch sampling.
Measures Ra/Rz micro-finish roughness post-machining & anodizing.
Verifies tensile strengths, shear stress, and elasticity properties.
How we engineer quality and structural integrity into every customized industrial part from placement to delivery.
Initial design communication, submission of CAD models (STEP/DWG format), material alloy specs selection, packaging requirements, custom colors selection, target price limits, and scheduling estimates.
We review technical drawings, perform calculations, run a test batch through our tooling setups, and provide a full dimensional report + material certificates to verify compliance with tolerances.
Samples are dispatched to client facilities for testing in assembly conditions. Feedback is integrated immediately. No bulk production runs occur without written validation of samples.
Continuous production scheduling utilizing our multi-shift Japanese equipment. Batch QA sampling checks surface finish quality, chemical profiles, thread functionality, and package durability.
We provide a one-year manufacturing defect warranty. Furthermore, our dedicated, clean assembly workshop handles partial assembly integration prior to export packing.
Explore real-world industrial projects fabricated at our Ningbo plant and shipped globally.
High-tolerance aluminum forgings and structural mounting bolts engineered for mining equipment and heavy agricultural machinery machinery.
Anodized aluminum alloy parts and fasteners designed to withstand severe vibrations, fluid chemicals, and temperature fluctuations.
Critical structural parts including Aviation Fuel Hydrant Pit Boxes, heavy hinges, bracket housings, and safety transmission gear mounts.
Heavy wear cutter discs and assembly shaft components designed for continuous impact force during structural forestry applications.
Built on trust, professional capability, and absolute accountability for our clients' engineering outcomes.
Our company employs 130 professionals, structured to provide seamless processing. Our engineering division (50 staff) handles CAD design review, metal forging simulations, surface chemistry analysis, and global supply logistics. The remaining 80 operators oversee CNC centers, extrusion presses, and coating lines.
"Always comes first, our priority, our responsibility, to exceed your expectations."
- XINYE Core Principle
We work to build long-term OEM partnerships by transparency in our material testing, plating thickness values, and logistics estimates.
Providing total industrial solutions. From design check and sample production to tracking global transit, we stand by our materials.
Ensured by continuous staff training, investing in Japanese precision mills, and adopting state-of-the-art metrology gear.
Essential answers regarding pricing, sample lead times, anodizing thickness standards, and delivery terms.
Our prices are subject to change depending on supply, metal index values (LME base aluminum prices), and other market factors. We will send you an updated price list after your company contacts us for further information.
Yes, we require all international orders to have an ongoing minimum order quantity depending on the part geometry and forging press setup. For smaller stock requirements, please contact our website team directly for stock list options.
Yes, we provide most documentation including Certificates of Analysis / Conformance (MTRs), ISO Certificates, SA8000 validation, raw material traceability records, custom clearance documentation, and Origin Declarations.
For samples, the lead time is about 7 days. For mass production, the lead time is 20-30 days after receiving the deposit payment. Lead times become effective once we receive your deposit and final engineering approval for your drawings.
You can make the payment directly to our bank account, Western Union, or PayPal: 30% deposit in advance, and the remaining 70% balance payable against the copy of the Bill of Lading (B/L).
We warranty our materials and workmanship for 1 year from the delivery date. Our core commitment is to your total satisfaction. Whether in warranty or not, our company culture prioritizes resolving all customer technical issues efficiently.
Yes, we always use high-quality heavy-duty export packaging (ISPM-15 heat-treated pallets, anti-corrosive VCI plastic wraps, and robust moisture-proof inner crates). Specialty packaging or non-standard requirements may incur an additional fee.
The shipping cost depends on the method you choose to receive the goods. Express is quickest but most expensive. Sea freight is the best solution for high-volume cargo. Precise freight rates can only be calculated once we know weight, volume, and final delivery address.
Anodizing creates a surface layer that grows both outwards and inwards by 50% of its total thickness. A 10μm anodized coating increases the overall diameter of an external bolt thread by roughly 20μm. To compensate, our CNC machines cut the thread slightly undersized before anodizing so that the final product sits perfectly within standard metric or unified class fit specifications.
For high-tensile performance, we utilize 7075-T6 or 6061-T6 aluminum alloys. 7075-T6 offers outstanding tensile strength comparable to structural steel, whereas 6061-T6 provides exceptional corrosion resistance and a more uniform surface appearance after Sulfuric Acid Type II anodizing.
Order direct from our factory lines. Fully customized parts with certified quality control inspections.
XinYe Metal