Lost wax casting, or investment casting, is one of the world's oldest and most reliable metallurgical techniques, dating back thousands of years. Today, this process has evolved into a critical high-tech manufacturing sector responsible for producing complex, near-net-shape components for highly demanding industries. Modern applications of lost wax bronze casting span marine engineering, aerospace propulsion, power generation, defense, oil and gas safety, and precision automotive manufacturing. Unlike traditional sand casting, the lost wax process yields parts with exceptional dimensional accuracy, excellent surface finish, and minimal tool marks, making it highly preferred for manufacturing non-magnetic, corrosion-resistant, and high-strength bronze and copper alloy components.
Investment casting produces average surface roughness limits of Ra 3.2 to Ra 6.3 μm without secondary processing. This prevents micro-fissures and stress concentrations in dynamic industrial components.
By using wax models created with precision metal tooling, lost wax casting allows for internal cooling passages, complex thin-walled features, and undercut geometries that would be impossible to machine from billet.
Casting allows for optimized grain orientation and uniform chemical properties, especially when utilizing high-grade bronze alloys like aluminum bronze (C95400/C95800) and tin bronze (C90700/C83600).
As global industries demand higher efficiency and strict ESG compliance, selecting a competent, vertically integrated factory that handles engineering, casting, heat treatment, CNC machining, and quality control under one roof has become the key differentiator for global procurement directors.
Founded in 1996 as a family business and continuing today as a highly agile, owner-managed SME corporation, Ningbo Jiangbei XinYe Metal Works Co., Ltd. (XINYE) has emerged as a premier manufacturer of high-precision metal parts. Strategically located in the Ningbo Jiangbei Industrial Zone, our facility is within a 3-hour journey from Shanghai International Airport via China's high-speed train network, facilitating rapid transit for international logistics and on-site client inspections.
XINYE operates a total area of 16,000 square meters of production floor, with an additional 11,000 square meters dedicated to construction and future expansions. Our workforce of 130 professionals includes 80 highly skilled production staff and 50 experts specialized in product development, engineering, quality assurance, and global supply chain management.
Our commitment goes beyond traditional manufacturing. We offer a comprehensive technology portfolio, including CNC machining, aluminum alloy forging, wax die stainless/bronze casting, extrusion, stamping, and specialized surface treatments like anodizing and electropolishing. This vertical integration allows us to act as a true one-stop solution for customers in Europe, North America, and across the globe.
At XINYE, we understand that B2B buyers require deep technical competence and top-tier equipment. That is why our core manufacturing technology is imported directly from Japan, ensuring sub-micron accuracy, high reliability, and consistent cycle times.
Our heavy forging shop houses friction press machines with press forces ranging from 300 tons to 1000 tons. This is supported by column hydraulic machines (100 to 630 tons) and high-speed punching presses (5 to 250 tons), enabling hot forging of complex aluminum and copper alloy shapes.
We feature high-speed, state-of-the-art CNC machining centers with 4-axis control, along with dedicated CNC turning and milling stations. We easily achieve precise dimensional tolerances down to 0.001mm on cast and forged substrates.
Our engineering team leverages decades of tooling experience to design wax dies and metal dies. This ensures that every investment casting draft angle, shrinkage compensation, and parting line is optimized for high yields.
Sourcing metal components globally involves balancing cost, lead times, quality, and supply chain stability. XINYE combines the core efficiency advantages of China's world-class industrial cluster with a highly responsive internal operational structure. This gives global procurement managers a distinct advantage.
Our standard manufacturing shift structure operates 16 hours per day, 6 days per week. For urgent program kick-offs or demand spikes, we can transition to a 24/7 continuous operation mode within 30 days. Backed by local expansion lands, we can invest in dedicated machinery to accommodate long-term partner needs.
Located in the Ningbo industrial zone, XINYE is surrounded by specialized heat treatment suppliers, toolmakers, raw material refineries, and packaging houses. By eliminating long-distance shipping during production stages, we reduce both risk and logistical lead times.
| Equipment Type | Quantity/Capacity Range | Country of Origin | Primary Industrial Application |
|---|---|---|---|
| Friction Press Machines | 300 Tons to 1000 Tons | Japan / Domestic (High-Spec) | Aluminum and Copper alloy hot forging |
| Column Hydraulic Machines | 100 Tons to 630 Tons | Japan / Domestic | Precise metal extrusion, deep drawing & structural forming |
| Punching Press Machines | 5 Tons to 250 Tons | Domestic (Precision grade) | High-speed progressive stamping and blanking |
| CNC Machining Centers | 4-Axis & 3-Axis control systems | Japan (Fanuc/Mazak control) | High-precision finish milling and boring |
| CNC Turning & Milling | High-speed spindle lathes | Japan / Domestic | Rotational components, tight tolerance shafts, and fittings |
The components produced in our Ningbo factory are designed for extreme environments. Our key markets in Europe, North America, and Russia rely on XINYE components for critical applications:
Operating in environments like mining, offshore drilling, and petrochemical refining requires spark-free, highly explosion-proof enclosures. We manufacture high-spec copper and stainless steel components for fire and gas safety detection systems, flame sensors, toxic gas detectors, and hydrant pit box enclosure kits.
High-integrity components like turbine inlets, transmission parts, and structural hinge brackets demand advanced metallurgical properties. These parts must withstand extreme thermal fatigue and mechanical stress without failure.
To support the global shift toward green energy, we supply lightweight, high-strength forged aluminum and cast components. These include transmission parts, structural connectors, structural tubes, and levers for the premium automotive and E-bike markets.
For systems that contact consumable products, we supply parts made from food-grade stainless steel and non-leaching copper alloys. Key components include precision tabletop cooking stoves and pressurized cream whippers.
Quality is the lifeblood of XINYE. To guarantee the highest standards of reliability, we have established a strict, traceable quality control system certified to ISO 9001:2015 and SA8000. Every batch of raw material is fully tested and logged before it enters the production stream.
Our quality department utilizes advanced measurement tools to guarantee dimensional accuracy and metallurgical integrity:
From initial design consultations to container loading, we operate a highly refined, step-by-step process that ensures quality at every stage.
We review technical drawings, establish tolerances, confirm raw material alloys, and finalize commercial terms.
We design custom dies, pour initial samples, and provide comprehensive dimensional and material certificates.
Samples are tested on-site by the client to verify functional performance before we proceed with mass production.
Our production floor runs planned casting, forging, machining, and surface treatments under strict QA controls.
We use heavy-duty export packaging, manage maritime shipping, and back all products with a 1-year manufacturing defect warranty.
Explore some of the technical components we manufacture for our global partners:
Precision stainless steel and aluminum alloy components for heavy machinery, manufactured with advanced hot forging and investment casting.
Critical transmission parts and fluid fittings for commercial automotive clients, machined to tight tolerances.
High-integrity aviation fuel hydrant pit boxes, hinge brackets, and turbine inlet parts engineered for heavy-duty service environments.
Crusher components, feed rollers, and cutter discs utilizing Q345B, 42CrMo, and NM400 alloys for extreme abrasion resistance.
To reduce complexity for our customers, XINYE offers complete assembly services. Rather than receiving disparate parts from multiple suppliers, you can source fully built sub-assemblies directly from our factory.
Our dedicated assembly workshop is equipped with customized fixtures, testing jigs, and clean packaging stations. This is ideal for medical devices, food prep systems, and explosion-proof safety enclosures that require pressure testing, seal integration, and electrical testing.
This comprehensive service reduces your shipping costs, simplifies vendor management, and ensures that the final assembly matches the design specifications of all individual components.
Our operation is driven by three core values: Trust, Responsibility, and Professionalism. We focus on meeting requirements carefully, providing reliable technical expertise, and continuously improving our processes.
Below are detailed answers to common questions about our investment casting, hot forging, CNC machining, and global delivery services.
For custom samples, the lead time is approximately 7 days after design and drawing confirmation. For mass production orders, the standard lead time is 20 to 30 days from the receipt of the deposit. Lead times are calculated once we receive the deposit and the customer approves the final drawings. Our sales team works closely with you to meet tight schedules and deadlines.
XINYE is certified to ISO 9001:2015 and SA8000. We verify alloy compositions using our GNR Spectrum Analyzer right at the factory. Every batch comes with material certificates, dimensional test reports, and complete traceability documents to verify it meets international standards like ASTM, DIN, and EN.
Yes, we require all international orders to have an ongoing minimum order quantity. This helps cover the setups for casting, forging, and CNC programming. Please reach out to our sales team with your annual volume requirements, and we will work with you to establish a mutually viable MOQ.
Yes. We provide complete documentation packages, including Certificates of Analysis (COA), Certificates of Conformance (COC), export packaging declarations, packing lists, Commercial Invoices, Bills of Lading, and Certificates of Origin to facilitate smooth customs clearance.
Our standard payment terms are: 30% deposit in advance, and the remaining 70% balance due against the copy of the Bill of Lading (B/L). We accept payments via bank transfer (T/T), Western Union, and PayPal.
Shipping costs depend on the delivery method you choose. Express shipping is fast but costly, making it ideal for prototypes. For large orders, sea freight is the most cost-effective option. We can calculate exact rates once we know the shipment's weight, dimensions, and destination. We offer FOB, CIF, and DDP terms depending on your logistics requirements.
XinYe Metal