FC Precision Casting
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Product Name | Custom Ductile Iron Cast Premium Precision Casting Machined Drive Shaft Flange Yoke for Excavator & Heavy Truck Transmission System | ||||
Precision Processing | OEM | ||||
Tolerance/Precision | CT6~CT8 | ||||
Product Materials | Iron, Steel, Gray Iron,Nodular Cast Iron (per customer specification) | ||||
Process Technology | Precision Casting/Sand casting | ||||
Surface Treatment | Machining Or Spay Painting | ||||
Size | Customized | ||||
Anti-rust | Antirust Oil | ||||
File Formats | PDF,Auto CAD, Solid work,JPG,Pro E | ||||
FOB Port | Ningbo Or Shanghai | ||||
Our precision cast and fully machined drive shaft flange yoke is a core heavy-duty connecting component independently developed and produced by professional Chinese precision casting foundry. Manufactured using advanced lost wax investment casting or sand casting process, combined with professional CNC finishing, this part perfectly integrates the structural advantages of casting and the high-precision matching performance of mechanical processing, and is widely matched for heavy-duty trucks, construction machinery, excavators, loaders, agricultural machinery and other transmission and axle systems.
In terms of material selection, we adopt high-standard nodular cast iron FCD450/FCD600 and high-strength alloy cast steel as base materials. Through strict smelting, casting, heat treatment (normalizing, quenching and tempering), the product obtains excellent mechanical properties: high tensile strength, strong impact toughness, good fatigue resistance and long-term stable performance under heavy load, vibration and harsh outdoor working conditions.

In terms of craftsmanship, the bottom special-shaped support base is integrally precision cast to ensure dense internal structure, no pores, no sand holes and no shrinkage defects. The upper cylindrical matching shaft body is processed by precision CNC lathe and grinding machine, with extremely high coaxiality, smooth and smooth mating surface, precise tolerance control, which can perfectly cooperate with bearings, oil seals and shaft sleeves, effectively reducing assembly wear and extending the overall service life of the equipment.
Compared with ordinary welded or ordinary cast flange products, our casting flange yoke has outstanding advantages: integrated forming without welding seam, higher overall structural strength, not easy to deform under large torque; higher dimensional consistency, convenient for mass installation and replacement; stronger customization ability, can be customized according to customer drawings, samples, different hole positions, pitch circle diameter, tooth types and load requirements.

★ Professional technical team provides high quality technical supporting;
★ High quality materials can increase service life;
★ Precision control of size makes assembly more reasonable and perform more efficiently.
Ningbo Yinzhou Fuchun Precision Casting Co., Ltd. established in 1988, is located in the dynamic coastal city of Ningbo on China's eastern coast. As a leading foundry in China, we specialize in precision casting of carbon steel, alloy steel, stainless steel, ductile iron, and gray iron. With an annual production capacity exceeding 10,000 metric tons, our expertise covers a wide range of casting weights—from lightweight components of 100 grams to heavy-duty parts up to 600 kilograms.
We serve global clients by manufacturing precision mechanical components according to customer specifications and technical drawings. Our product portfolio is diverse and widely applied across industries, including but not limited to:
Valve components for industrial and plumbing systems
Critical parts for railway and subway infrastructure
Durable components for mining and heavy machinery
Automotive fittings and structural elements
Hydraulic and engineering machinery parts
Customized components for other industrial applications
To ensure precision and quality, our facility is equipped with 7 medium-frequency electric furnaces and supported by a comprehensive suite of advanced inspection and testing equipment. This includes spectrographs for material verification, metallographic analyzers for microstructure examination, hardness testers, ultrasonic flaw detectors, magnetic particle inspection systems, impact testers, and tensile testing machines. Each production stage is closely monitored to deliver castings that meet the highest standards of performance, consistency, and reliability.

Furthermore, our machining capability is very strong, with a whole line of boring, milling and drilling lathes, 13 CNC lathes, 4 CNC machining centers, and related metallurgical machinery.
Our Services:
![]() | ❤ Satisfied Quality; |
❤ Competitive Price; | |
❤ Professional Sales & QC Team; | |
❤ Quick Delivery; | |
❤ Perfect After-sales Service. |
We firmly believe that superior quality and unwavering integrity are the foundation for earning customer trust and building lasting partnerships. We are eager to explore opportunities to work with you and develop a collaborative relationship that delivers mutual value and growth.
If you would like to learn more about our products or capabilities, please don't hesitate to reach out.
Our team is ready to provide detailed information, technical specifications, or customized solutions to meet your needs.
Ningbo Yinzhou Fuchun Precision Casting Co., Ltd. is deeply committed to quality as the cornerstone of our operations. Our comprehensive quality control system spans every stage of production, from raw material inspection to final shipment, ensuring that each casting meets the highest standards of precision, durability, and performance. This dedication is validated by our certifications, including ISO9001, TUV-PED,DNV-GL and BV approvals, which reflect our adherence to international quality and safety norms.
Our global reach speaks to the trust we have earned: approximately 80% of our output is exported to discerning markets in Europe, the USA, and Australia. These long-term partnerships are built on consistent reliability, timely delivery, and responsive collaboration. We are proud not just to meet specifications, but to exceed expectations—turning quality assurance into a foundation for lasting growth, together with our customers worldwide.


Heavy-duty wooden boxes with inner plastic lining for maximum protection of high-value or fragile items during long-haul transport.
EUR-size pallets with collars and full plastic wrapping, optimized for efficient handling and warehouse logistics.
We adapt to your specific requirements — from inner cushioning to special markings — ensuring compliance and safe arrival.

We manage all aspects of transportation with precision to ensure your order arrives safely and on time.
Our logistics are tailored to your needs, offering flexible solutions via sea, air, or land freight.
Key services include professional packaging, real-time shipment tracking, and full support with customs documentation.
We prioritize clear communication, providing you with schedules and updates at every step.
Our goal is to deliver your products Efficiently, Securely, and Cost-effectively, giving you Complete Peace of mind.

One-Stop Custom Casting & OEM Manufacturing