Yuan Guan Precision Metalworking
Metal stamping, CNC milling, stamping die development, and integrated manufacturing support
From drawing review to finished-part delivery, Yuan Guan helps purchasing and engineering teams move stamped brackets, CNC-machined aluminum parts, custom hardware, and assemblies into controlled production.
- Founded
- 2004
- Quality Management
- ISO 9001
- Manufacturing Support
- Integrated
- Production Experience
- Multi-Industry
- Materials
- Metal materials evaluated from the drawing
- Process Integration
- Stamping, CNC milling, and partner-coordinated processes
- Tolerances
- Critical dimensions evaluated from the drawing
- Volume
- Prototypes, small batches, and volume production
- Lead Time
- Confirmed against tooling and production schedules
Prepare a Metalworking RFQ
Email Your Drawings for a Direct Manufacturing Review
Attach your drawings to an Email and include the information listed here. Our team will review the process, tooling, quantity, and delivery requirements before responding with manufacturing guidance.
This website does not provide file uploads and does not store drawings or personal information through a web form.
Choose an Email Option
Primary recipient: 元冠 - 中游 (yu-alice@umail.hinet.net)
CC: 總經理, 大游, 顏明永, Jack
Recommended RFQ Information
- 01 Drawing FilesPDF, DWG, DXF, STEP, or X_T
- 02 MaterialMaterial grade and sheet thickness
- 03 QuantityPrototype, small-batch, or production demand
- 04 Dimensions and TolerancesCritical features requiring specific control
- 05 Secondary ProcessesTurning, welding, plating, painting, or other requirements
- 06 Requested DeliveryTarget sample or shipment date
Integrated Manufacturing Services
Support from stamping die development and in-house manufacturing through coordinated secondary processes and finished-part delivery.
Metal Stamping
In-house metal stamping supported by die development, trials, production, and partner-coordinated secondary processing for a complete manufacturing workflow.
- Stamped brackets, plates, and formed sheet parts
- Punching, bending, forming, and tapping
- Material thickness and volume evaluated from drawings
CNC Milling
In-house CNC milling and 4-axis machining for precision components across manufacturing industries and branded products.
- Aluminum brackets, mounts, and connecting parts
- Hole patterns, faces, profiles, and tapping
- Three-axis and selected fourth-axis features evaluated from drawings
Stamping Die Development
In-house stamping die development from design and die manufacturing through trials and production handoff, with continuous accountability for tooling and stamped-part quality.
- Drawing review, die making, and trial runs
- Sample approval before production
- One contact for tooling and repeat production
Secondary Processing and Partner-coordinated Processes
Partner-coordinated turning, welding, tapping, grinding, finishing, assembly, and packaging, managed by Yuan Guan through one point of contact for process, quality, and delivery.
- Partner-coordinated turning, welding, tapping, and grinding
- Surface treatment, assembly, and packing
- Process, quality, and delivery follow-up through Yuan Guan
Partner-Coordinated Processes
In-House Core Processes, Extended to Finished-Part Delivery
Turning, welding, and selected finishing operations are performed by qualified manufacturing partners. Yuan Guan coordinates drawing requirements, scheduling, quality follow-up, and delivery. Feasibility is confirmed for each material, size, quantity, and tolerance requirement.
- Machining After Stamping
- CNC turning, conventional turning, tapping, and grinding
- Joining and Assembly
- Welding, riveting, fastening, and assembly
- Appearance and Protection
- Electroplating, painting, anodizing, sandblasting, and laser marking
Integrated Manufacturing Workflow
Quotation, tooling, production, secondary processing, inspection, and shipment managed through one accountable workflow.
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Drawing Review
Confirm material, dimensions, tolerances, volume, and downstream requirements.
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Die Development
Plan stamping dies, fixtures, trial runs, and sample confirmation where tooling is required.
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Metal Stamping
Perform forming, punching, and bending with controlled production conditions.
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CNC Milling
Machine holes, faces, profiles, and precision features specified by the drawing.
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Partner Coordination
Coordinate turning, welding, finishing, and other approved secondary processes.
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Inspection and Shipment
Verify dimensions, appearance, packing, and delivery requirements.
Industries
Manufacturing support for metal parts that require repeatable dimensions, coordinated finishing, and dependable delivery.
Bicycle Component Manufacturing
Located within Taichung's bicycle manufacturing cluster, Yuan Guan provides metal stamping and CNC milling for bicycle components and understands the industry's requirements for weight, strength, and appearance.
Automotive Component Manufacturing
Automotive metal components manufactured through ISO 9001 quality procedures, combining in-house stamping and CNC milling with support for industry quality and traceability requirements.
Motorcycle Component Manufacturing
In-house metal stamping and CNC milling for motorcycle components, from supply-chain production parts to small-batch precision components for large-displacement motorcycle accessories.
Sports and Fitness Equipment Component Manufacturing
Located near Taichung's fitness-equipment manufacturing cluster, Yuan Guan supplies stamped and CNC-machined metal components and understands the quality requirements of load-bearing structures.
Custom Hardware Component Manufacturing
Custom OEM manufacturing for hardware and household-product metal components, with flexible production volumes and integrated support from forming through shipment.
Quality Control in the Production Flow
Traceable drawing requirements, inspection points, and production records support each delivery.
| Stage | Control Focus | Method | Basis |
|---|---|---|---|
| Incoming material | Material and dimensional information | Incoming inspection | Per drawing and order requirements |
| First production part | Critical dimensions and appearance | First-article inspection | Confirmed before the production run |
| Production lot | Dimensions, burrs, and appearance | In-process sampling | Scheduled by part and process needs |
| Finished shipment | Part, quantity, appearance, and packing | Final inspection | Released against applicable requirements |
Real Manufacturing Results
See Metal Parts Manufactured by Yuan Guan
Browse real formed parts, brackets, CNC-machined components, and custom assemblies in the complete case-study gallery.
Have drawings, samples, or production requirements?
Send PDF, DWG, DXF, STEP, X_T, or sample information by Email attachment. We will review the material, quantity, process, and delivery requirements.
Email Attachments
Include 2D or 3D drawings
Project Details
Material, quantity, and finishing
Direct Review
Process evaluation and quotation
Accurate. Reliable. Delivered as planned.
Yuan Guan Precision is your dependable metalworking partner in Taiwan.