Custom Precision Metal Parts from China
CNC Machining, Metal Stamping, and Die Casting from Prototype to Mass Production
Yongyuan is a China-based manufacturer specializing in precision metal parts for automotive, electronics, home appliances, medical devices, and industrial equipment.
With in-house CNC machining, metal stamping, and die casting capabilities, we support engineering review, prototype development, and stable mass production with consistent quality and reliable delivery.









±0.005mm
Selected precision machining tolerance
Support
DFM review and process optimization
Quotation
Response within 24 hours
Prototype
Flexible support for low to high volumes
Certified
ISO 9001 · ISO 14001 · IATF 16949
Our Manufacturing Services

CNC Machining
Precision machining for complex housings, shafts, covers, brackets, and structural parts. Suitable for prototype development, small batches, and stable production runs.

Die Casting
Aluminum and zinc die casting for lightweight, high-precision metal parts with excellent repeatability, ideal for consumer products, automotive, and industrial applications.

Metal Stamping
High-efficiency production for motor cores, deep drawn housings, covers, brackets, terminals, and formed sheet metal parts with strong consistency and cost control.
Main service industries
How It Works

Send Your Drawings
Share your 2D/3D files, quantity, material, and application requirements.

Engineering Review & Quotation
We evaluate manufacturability, process route, tolerance, and cost before quoting.

Production & Quality Control
We arrange tooling, machining, stamping, die casting, finishing, and inspection based on project requirements.

Delivery & Ongoing Support
Parts are delivered according to confirmed standards, lead time, and packaging requirements.
Typical Application Cases
Automotive Motor Housing Components
Precision metal parts for automotive motor and actuator assemblies
We manufacture die cast, stamped, and CNC machined metal components for automotive motor systems, including housings, covers, shafts, and structural parts. These components are widely used in power seat drives, power window systems, wiper motors, and HVAC actuator assemblies, with stable quality for repeat production.
Stable Mass Production
Consistent quality across repeat orders
Tight Tolerance Control
Precision maintained on key dimensions
Home Appliance Drive System Parts
Precision components for motors and internal transmission structures
We supply precision metal parts for home appliance motor and drive systems, including housings, covers, shafts, motor core parts, and structural components. These parts are suitable for vacuum cleaners, hair dryers, fans, and cleaning devices, supporting both prototype development and stable volume production.
Reliable Quality Output
Stable performance in mass production
Flexible Process Combination
Die casting, stamping, and CNC in one supply chain
Precision Components for Consumer Electronics
Compact metal parts for small motors and internal assemblies
We manufacture compact and high-precision metal components for consumer electronic products, including small housings, shafts, stamped brackets, and motor-related structural parts. These components are suitable for applications that require fine details, dimensional consistency, and high-volume repeatability.
Compact Precision Manufacturing
Fine details for small-size components
High Repeatability
Consistent output for large-volume programs
Robotic Joint and Automation Parts
Precision components for robotic arm structures and motion systems
We provide precision metal parts for robotic joint motors, servo-driven assemblies, and automation structures, including housings, shafts, arm components, brackets, and connection parts. These components help support accurate assembly, structural consistency, and reliable production for automation equipment.
Structural Precision
Accurate fit for joint and arm assemblies
Integrated Manufacturing Support
From prototype validation to stable production
Engineering & Quality Support
Engineering-Led Manufacturing Support
Our engineering team reviews every project before production, with attention to manufacturability, tolerance control, material suitability, and long-term production stability.
Before quotation and production, our engineers review your drawings, specifications, material requirements, tolerances, and application needs. We evaluate manufacturability, process feasibility, and key quality risks to recommend a suitable production approach.
Yes. We provide DFM feedback to help improve part design, reduce manufacturing risk, and support more stable production. For suitable die casting projects, we can also support mold flow analysis before tooling and mass production.
We mainly support projects in automotive, home appliances, consumer electronics, medical devices, and industrial equipment. Many of our components are used in motor-related applications such as housings, covers, brackets, cores, shafts, and structural metal parts.
You can send us your drawings, material requirements, quantity, and application details. Our team will review the project, recommend a suitable manufacturing process, and provide quotation feedback based on feasibility, lead time, and production requirements.