From Prototype To Full Production

Precision CNC Machining & Sheet Metal Fabrication

Custom precision parts manufactured from your drawings—from prototypes and low-volume orders to repeat production.

Our Shenzhen manufacturing team supports CNC milling, CNC turning, 5-axis machining, Swiss CNC machining, turn-mill production and sheet metal fabrication—all built around customer drawings and project requirements.
Send us your CAD files and technical specifications. Our engineers will review manufacturability,
critical tolerances, materials, finishing and production quantity before preparing a project-based quotation.

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Parts for Demanding Industries

Drawing-based components manufactured for a range of industrial applications.

industrial automation

Industrial Automation

Motion and equipment components.

medical devices

Medical & Laboratory Equipment

Instrument and equipment components.

optical and semiconductor

Optical & Semiconductor

Alignment and housing components.

automotive and smart mobility

Automotive & Smart Mobility

Sensing, thermal and mobility parts.

Quality Control Built Around Your Drawing

Drawings, revisions, materials and critical features are reviewed and inspected throughout production.

01 drawing review

Drawing Review

02 process control

Process Control

03 final inspection

Final Inspection

04 shipment verification

Shipment Verification

Customer Projects & Manufacturing Examples

From prototypes to production programs, our components support demanding applications across automation, medical devices, optical systems, semiconductor equipment, automotive, and industrial machinery.

project 01 section 7

Project 01 – Industrial Automation

Application: Precision positioning and motion control systems.
Manufacturing Scope: 5-axis machining, tight-tolerance features, assembly-critical dimensions.
Customer Value: Reliable repeatability and reduced assembly time.

project 02 section 7

Project 02 – Medical Devices

Application: High-precision equipment and instrument components.
Manufacturing Scope: Complex geometries, cosmetic surfaces, precision inspection.
Customer Value: Consistent quality and dependable performance.

project 03

Project 03 – Optical & Semiconductor

Application: Precision structural and alignment components.
Manufacturing Scope: High-accuracy machining, critical surface requirements, complex features.
Customer Value: Improved assembly accuracy and process stability.

project 04

Project 04 – Automotive & Smart Mobility

Application: EV systems, thermal management, and structural components.
Manufacturing Scope: Production-oriented machining and repeatable quality control.
Customer Value: Scalable manufacturing and reliable delivery.

Have A Similar Project?

Send us your drawings, specifications, or 3D models for engineering review.

Start Your Next Project

Send your drawings, quantity and delivery requirements for an engineering review and projectbased quotation.

If some information is incomplete, send what you have and our team will help clarify the remaining details.

Please attach your 2D CAD drawings and 3D CAD models in any format including STEP, IGES, DWG, PDF, STL, etc. If you have multiple files, compress them into a ZIP or RAR. Alternatively, send your RFQ by email to eric@yd-proto.com.