Factory Custom OEM Zinc Aluminum Metal Die Casting Parts Services Stainless Steel Cast Iron Flywheels and Pulleys

Product Overview

Precision Custom Die Casting Solutions

Shenzhen Huarui Century Technology Co., Ltd. offers high-quality factory custom OEM die casting services, specializing in zinc, aluminum, stainless steel, and cast iron components. Our product line includes flywheels, pulleys, and various complex metal parts, engineered to meet rigorous industrial standards. Every component is produced according to precise customer 3D drawings, ensuring exact conformity to design specifications and functional requirements.

Superior Material and Performance Capabilities

Our die casting process accommodates a broad spectrum of metals, including aluminum alloys, zinc alloys, stainless steel, and cast iron. Components are designed for exceptional mechanical strength, dimensional stability, and surface finish. Surface treatments such as heat treatment, plating, sandblasting, polishing, and e-coating are available to enhance durability, corrosion resistance, and aesthetic appeal. The combination of advanced casting techniques and strict quality control allows us to deliver parts with low porosity, high density, and precise tolerances.

Industrial Applications

These precision cast parts are widely used across multiple industries, including automotive, construction, machinery, hydraulic equipment, marine hardware, and electrical fittings. They are suitable for applications demanding high wear resistance, accurate fitting, and structural reliability. Our capability to produce components from a few grams up to tens of kilograms ensures flexibility for both small and large-scale production requirements.

Product Advantages

High Production Efficiency and Automation

Our die casting lines are designed for automated, high-speed production, allowing rapid cycles while maintaining consistent quality. This ensures scalability for large-volume orders without compromising precision. Automation minimizes human error, reduces labor dependency, and enables repeatable outcomes across batches.

Thin-Wall and Complex Feature Capability

The facility excels in producing thin-walled parts—zinc alloys as thin as 0.5mm and aluminum alloys down to 1.2mm. Complex features, including integrated threads, ribs, grooves, and embedded inserts, are precisely molded in a single process. This capability reduces secondary machining, increases material efficiency, and allows the production of highly detailed structural components such as flywheels and pulleys with internal and external functional elements.

Dimensional Precision and Surface Quality

Our die cast components achieve tight tolerances and exceptional surface finishes, reaching Ra 1.6 μm or better. The controlled cooling and high-pressure filling processes ensure minimal shrinkage, high-density microstructures, and reliable mechanical performance. This precision allows seamless integration into assemblies and reduces the need for post-processing.

Delivery Process

Production Planning and Scheduling

Upon receiving the customer’s design specifications and requirements, our engineering team evaluates feasibility, selects optimal materials, and determines the suitable die casting process. Detailed production schedules are created to ensure on-time delivery for both standard and custom orders.

Mold Fabrication and Trial Runs

Custom molds are fabricated using high-grade steel for durability and accuracy. Trial runs validate mold performance, part dimensions, and surface finish before full-scale production, minimizing the risk of defects in mass production.

Mass Production and Quality Assurance

Once the mold is approved, high-volume casting begins. Every part undergoes comprehensive inspections, including chemical composition analysis, dimensional checks, X-ray inspection, and CMM measurement. Strict quality control ensures that all components meet ISO9001 and other international standards.

Packaging and Dispatch

Finished parts are carefully cleaned, treated as required, and securely packaged to prevent damage during transit. Customized packaging options are available for complex or sensitive components. Our coordinated logistics ensure timely delivery while maintaining product integrity.

Product Specifications

Buyer Guidance

By leveraging advanced die casting techniques and precision engineering, Huarui ensures that highly complex components—such as flywheels and pulleys with integrated ribs, grooves, or inserts—can be reliably manufactured to exact specifications. The combination of thin-wall capabilities, superior surface finish, and dimensional stability makes these components particularly suitable for critical industrial applications, including high-performance machinery and automotive assemblies. Buyers looking for durable, cost-effective, and intricately detailed parts will find our production capabilities align closely with demanding engineering requirements, encouraging detailed project discussions and specification review.

Frequently Asked Questions (FAQ)

Q1: Can you produce integrated threaded or ribbed features?
A1: Yes, our die casting process supports integrated threads, grooves, ribs, and insert casting for enhanced functionality.

Q2: What surface treatment options are available?
A2: We offer anodizing, plating, powder coating, e-coating, polishing, and other treatments tailored to client requirements.

Q3: What materials can be used?
A3: Aluminum alloys, zinc, stainless steel, cast iron, brass, and aluminum bronze are all supported depending on application needs.

Q4: How is quality ensured?
A4: Each part undergoes dimensional, chemical, and surface inspections, ensuring compliance with ISO9001 and client specifications.

Q5: Are small batches feasible?
A5: While die casting is optimized for medium to large volumes, prototypes and small batches can be produced using specialized molds to validate design and functionality.