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ISO 9001 & IATF 16949 CERTIFIED

Precision CNC Machining Manufacturer for Custom Metal Parts

As a China-based precision CNC machining manufacturer, we produce high-accuracy custom metal parts for global OEM and industrial applications.
From prototype to high-volume production, our factory delivers reliable CNC milling, turning and one-stop manufacturing solutions under strict quality control.

Trusted by engineering teams across North America and Europe, we support complex geometries, tight tolerances and scalable production with consistent lead times.

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5,000+ m² Manufacturing Facility
100+ CNC Machining Centers
10+ Qualified Partner Factories
ISO 9001 & IATF 16949 Certified

Trusted CNC parts supplier for global OEM manufacturers

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High-Precision CNC Machining & Custom Manufacturing Capabilities

As a full-service precision CNC machining manufacturer, we provide CNC milling, turning and integrated metal manufacturing solutions optimized for global supply chains and OEM production.

This precision CNC machining center production floor features automated equipment, enabling high-precision manufacturing of industrial components with consistent quality and efficiency

CNC Machining

Precision Milling & Turning. We deliver a wide range of prototypes and production-grade custom metal parts, featuring high-speed toolpath optimization for tight-tolerance results.
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Our Swiss Machining Services utilize this precision Swiss-type lathe machining automated feeding system, enabling high-efficiency, high-precision production of small, complex components for medical, automotive, and electronics industries

Swiss Machining

Screw Machine Parts & Micro Machining. We specialize in complex, small-diameter geometries with ultra-tight tolerances for high-precision applications.
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This precision aluminum-alloy die-casting mold opening process delivers exceptional dimensional accuracy and repeatability, enabling high-volume production of complex aluminum components for automotive, aerospace, and consumer electronics applications

Die Casting Services

High-Pressure Die Casting. We offer aluminum, magnesium, and zinc die casting services for scalable, high-volume production of custom metal components.
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This assortment of precision sheet metal fabrication components delivers consistent accuracy and durability, ideal for industrial equipment and electronic device assembly applications

Sheet Metal Fabrication

Laser Cutting, Bending, Stamping & Welding. We deliver precision sheet metal enclosures and structural chassis solutions for industrial and commercial applications.
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Aluminum Extrusion

Custom Profile Design & Heat Sink Extrusion. We provide full CNC post-machining for integrated thermal management solutions using precision aluminum extrusions.
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Assembly & Welding

In-House Assembly & Welding. We offer complementary finishing services including anodizing, plating, bead blasting, and powder coating for both cosmetic and industrial requirements.
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Our Systematic Workflow

Engineered For Speed.

As an experienced precision CNC machining manufacturer in China, we streamline engineering review, machining and quality inspection to reduce lead time and ensure consistent production quality.

Upload CAD Files

Securely upload your 3D designs (STEP, STP, IGS) for instant geometry analysis and DFM feedback.

Quote & Engineering Review

Receive detailed DFM feedback and a fixed cost estimate within 24 hours to accelerate your project timeline.

Order Confirmation

Production begins promptly upon your approval at our state-of-the-art manufacturing facility, where we prioritize precision and speed.

Inspection & Global Shipping

Your custom metal parts undergo full inspection before global shipping, accompanied by dimensional inspection reports and material traceability certificates.

Zero-Defect Philosophy

Quality Control for Precision CNC Machining and Custom Parts

Our quality system ensures every custom component meets drawing specifications and international standards. As a tight tolerance CNC machining manufacturer, we implement material traceability, in-process inspection and final dimensional verification.

CMM Inspection

Automated Coordinate Measuring Machine (CMM) inspection delivers precise dimensional verification and GD&T compliance for every custom metal component.

Material Traceability

Full material traceability is standard for every order, with mill test certificates provided for each batch of custom metal components.

Surface Metrology

Non-contact surface measurement and laser profiling ensure accurate Ra surface finish verification for critical custom metal components.

DFM Optimization

Proactive engineering feedback improves manufacturability and reduces costs, all while preserving your original design intent for custom metal parts.

ISO
9001:2015 CERTIFIED
MARKET VERTICALS

Industry Applications

We support global OEM customers across multiple industries as a trusted custom metal parts manufacturer and CNC machining supplier from China.

LED

LED Display Manufacturing: Precision metal components for high-performance display systems, engineered with automotive-grade compliance and thermal management solutions.
EXPLORE SECTOR

Semiconductor

Semiconductor Equipment Manufacturing: High-precision custom metal parts for semiconductor production tools, built to cleanroom-compatible standards and ultra-tight tolerances.
EXPLORE SECTOR

Medical

Medical Device Manufacturing: Biocompatible custom metal components for diagnostic and surgical equipment, produced in compliance with ISO 13485 and strict regulatory requirements.
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Automotive

Automotive Component Manufacturing: Automotive-grade custom metal parts engineered to IATF 16949 standards, delivering reliable performance for powertrain and chassis systems.
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Robotics

Robotics Component Manufacturing: High-torque, precision metal parts for robot arms and end-effectors, designed to withstand continuous operation in industrial environments.
EXPLORE SECTOR

Consumer Electronics

Consumer Electronics Manufacturing: Lightweight custom metal enclosures and structural components for wearables and smart devices, featuring aesthetic finishes and precise fit.
EXPLORE SECTOR

Why Global Buyers Choose Our CNC Machining Factory

At Yueyi Precision, we adhere to rigorous ISO 9001:2015 quality management systems, backed by advanced measurement and inspection processes. This ensures every custom metal component meets your exact technical requirements, with quality control embedded in every stage of production and coordination for consistent, reliable results.

Instant Quoting

When your RFQ details are clearly defined, we deliver preliminary quotations within 24 hours to keep your custom metal manufacturing project on track

Industry Experience

Since 2009, our engineering team has delivered rapid prototyping and production solutions for automotive, medical, and consumer electronics industries, with deep expertise in managing both standard and technically demanding custom metal projects.

Massive Network

Our hybrid model of in-house precision CNC machining and trusted manufacturing partners gives us the flexibility to handle custom metal projects of any complexity or scale, with coordinated production to ensure on-time delivery.

Projects Delivered

Our team’s long-term involvement in diverse custom metal manufacturing programs has honed our expertise in managing complex requirements, coordinating production resources, and ensuring seamless delivery from initial design to final application.

ENGINEERING SUCCESS

Case Studies

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ACTIVE REGISTRY
01
Complete Aluminum Manufacturing Project Case Study: From DFM to Production-Ready Assembly
Complete Aluminum Manufacturing Project Case Study: From DFM to Production-Ready Assembly
A complete aluminum manufacturing project is not finished when four individual parts pass inspection. It is finished when they assemble,…
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ACTIVE REGISTRY
02
Precision Aluminum Parts Case Study: Building a Machine-Vision Mount for Repeatable Alignment
Precision Aluminum Parts Case Study: Building a Machine-Vision Mount for Repeatable Alignment
An industrial machine-vision system can lose repeatability even when every component appears acceptable on a conventional inspection report. A camera…
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ACTIVE REGISTRY
03
Custom Aluminum Extrusion Cost Reduction Case Study: Replacing a Multi-Part Assembly with One Profile
Custom Aluminum Extrusion Cost Reduction Case Study: Replacing a Multi-Part Assembly with One Profile
A low raw-profile price can hide an expensive finished component. That was the problem in this representative, anonymized project: an…
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SUPPORT & LOGISTICS

Common Questions

What is your typical lead time for cnc prototypes?

Our standard lead time for CNC prototype machining is 3–7 business days, depending on part complexity and material availability. For urgent projects, we offer an expedited 24–48-hour service to keep your custom metal manufacturing project on track.

For high-precision custom metal components, we can achieve tolerances as tight as ±0.005 mm through advanced CNC machining and Swiss machining processes. Our capabilities are tailored to meet the strict requirements of the automotive, medical, and consumer electronics industries.

Yes. We provide full material traceability with mill test certificates for every batch, along with dimensional inspection reports from our CMM (Coordinate Measuring Machine) testing. For automotive projects, we also offer documentation to support IATF 16949 compliance.

We do not enforce a strict minimum order quantity (MOQ). We support both low-volume prototype runs and high-volume production, making us a flexible partner for custom metal manufacturing projects of any scale.

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ADDRESS

NO.22,You Yi Road ,Wulian Community, LongCheng Street ,Long gang District ,Shen Zhen

Email

icey@yueyiprecision.com