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Capabilities

CNC MachiningHigh-precision machining for complex parts › 3D PrintingSLA, SLS & metal additive manufacturing › Vacuum CastingSilicone tooling for small-batch production › Sheet Metal FabricationLaser cutting, bending & assemblies › Injection MoldingPrototype tooling and molded parts › Rapid ToolingBridge tooling for pre-production › Die CastingAluminum, zinc & magnesium castings › Metal StampingPrecision stamped parts & dies › Surface FinishingAnodizing, coating, plating & blasting ›

CNC Machining

CNC Milling3-axis & 4-axis milling services› 5-Axis CNC MachiningSimultaneous 5-axis machining for complex parts› CNC TurningPrecision turning for cylindrical components›
Stereolithography (SLA)High-resolution resin printing for smooth prototypes› Multi Jet Fusion (MJF)Functional nylon parts and low-volume builds› Selective Laser Sintering (SLS)Durable polymer parts without support structures› Direct Metal Laser Sintering (DMLS)Complex metal additive manufacturing›
Silicone Mold MakingSilicone molds for repeatable short-run parts› Urethane CastingProduction-like polyurethane prototype parts› Vacuum Casting PrototypesAccurate low-volume parts for validation›
CNC machining part under spindle

Featured Capability

Precision CNC Machining for complex custom parts

From rapid prototypes to low-volume production, we deliver tight-tolerance parts with exceptional surface finish and on-time delivery.

Explore CNC Machining ›
±0.002 mmTight Tolerances 100+ MaterialsMachinable 3-5 Day Lead TimeTypical ISO 9001:2015Certified

Industries

AutomotiveDefault industry page ›
Automotive Precision parts for engines, housings and brackets. › Aerospace High-tolerance components for aircraft and systems. › Automation Reliable components for robotics and automation systems. › Medical Precision parts for medical devices and equipment. › Energy Durable components for power and energy applications. › Semiconductor Precision parts for semiconductor manufacturing. › Office Equipment Functional parts for printers, copiers and office systems. › Electronic Appliances Quality parts for consumer electronics and appliances. ›
Precision machined component

Featured Industry

Manufacturing solutions for demanding industries

From rapid prototypes to low-volume production, GD ProtoWorks supports engineering teams across multiple sectors with precision, consistency and on-time delivery.

Explore Automotive ›
Complex PartsWe machine intricate geometries with tight tolerances. Global DeliveryReliable worldwide shipping and logistics support. Engineering SupportCollaborative DFM and technical assistance. Prototype to Low VolumeScalable solutions from prototypes to production.

High-Performance Materials for Precision Parts

We machine a wide range of metals and engineering plastics to meet the most demanding performance and quality requirements.

Material samples for CNC machining Material Selection Guide Download PDF

Browse by Material

AluminumExcellent machinability, lightweight, and corrosion resistant. Ideal for aerospace, automotive, and electronics.› Stainless SteelHigh strength, corrosion resistance, and durability for demanding applications.› SteelHigh strength and toughness. Suitable for structural and mechanical components.› TitaniumHigh strength-to-weight ratio and excellent corrosion resistance for critical applications.› CopperExcellent electrical and thermal conductivity, ideal for electrical and heat transfer parts.› BrassGood machinability, corrosion resistance, and attractive appearance.› BronzeGood wear and corrosion resistance. Ideal for bushings, bearings, and industrial components.› ZincGood corrosion resistance and die-castability for custom parts.› IronHigh strength and wear resistance for heavy-duty applications.› MagnesiumLightweight with good strength-to-weight ratio and machinability.›
All Material Categories Hardware MaterialsAluminum, stainless steel, steel, titanium, copper, brass, bronze, zinc, iron, and magnesium.› Commonly Used Plastic MaterialsEngineering plastics for machined components, prototypes, and functional parts.› Special Plastic MaterialsSpecialty plastics reserved for future detail pages and material-specific content.›

Need Help Choosing?

Our engineering team can recommend the right material for your project.

Contact Our Engineers → CNC machining support

Resources to Support Your Engineering Decisions

Practical guides, expert insights, and real-world cases to help you build better products.

CNC machining resource library
Manufacturing Guides Step-by-step guides on processes, materials, and best practices. Materials Selection Guide Learn how to choose the right material for your application. Surface Finishing Guide Overview of finishing options, processes, and applications. Case Studies Real-world projects and solutions delivered for clients. Blog Latest industry insights, technology updates, and engineering articles. FAQs Common questions about quotes, files, lead times, and manufacturing support. Downloads Catalogs, datasheets, certifications, and technical documents. Videos Watch our manufacturing processes, capabilities, and company overview.

Can’t find what you need?Our engineering team is here to help.

Contact Our Engineers →

Privacy Policy

How GD ProtoWorks handles project and contact information.

We collect only the information needed to respond to inquiries, review manufacturing requirements, and support active projects.

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Last updated: August 26, 2026

Information we collect

When you contact GD ProtoWorks, submit a quote request, upload files, or subscribe to updates, we may collect your name, company, email address, phone number, project details, technical files, and related communication records.

How we use information

We use this information to review your requirements, provide quotations, communicate with you, improve our service process, and maintain project records. We do not sell customer project information.

Uploaded files and technical data

CAD files, drawings, specifications, and supporting documents are treated as project information. They are used only for engineering review, quotation, manufacturability feedback, production planning, and related project communication.

Retention and security

We keep project and contact information only for as long as reasonably needed for business, quality, legal, and support purposes. Access is limited to team members and service providers who need the information to perform their work.

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Our website may use hosting, security, analytics, email, form-processing, and file-storage services. These providers may process limited data on our behalf to operate the website and support inquiries.

Your choices

You may contact us to request access, correction, or deletion of your personal information where applicable. Some records may need to be retained for legitimate business, quality, or legal reasons.

Contact

For privacy-related questions, contact us at project@gd-prototyping.com.

GD ProtoWorks

Precision CNC machining, rapid prototyping, and low-volume production for complex custom parts.

+86 189 2943 2991 project@gd-prototyping.com Chang’an, Dongguan, Guangdong, China

Capabilities

CNC Machining 3D Printing Vacuum Casting Sheet Metal Fabrication Injection Molding Rapid Tooling Die Casting Metal Stamping Surface Finishing

Industries

Automotive Aerospace Automation Medical Energy Semiconductor Office Equipment Electronic Appliances

Materials

Aluminum Stainless Steel Steel Titanium Copper Brass Bronze Zinc Magnesium Iron

Company

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