Top 10 CNC Machining Companies in Vietnam: A Buyer’s Guide for 2026

Vietnam has become an increasingly important manufacturing destination for international OEMs looking to diversify their supply chains.

The country now offers more than competitive labor costs. Many Vietnamese manufacturers have invested in CNC machining, quality-control systems, engineering support and export-oriented production.

However, not every supplier is suitable for every project.

Some companies specialize in precision CNC components. Others focus on aluminum extrusion, sheet-metal fabrication, molds, automation systems or high-volume automotive parts.

This guide introduces ten CNC machining and precision manufacturing companies in Vietnam that international buyers may consider in 2026.

The companies are not presented as an absolute ranking. Each manufacturer has different strengths, production models and target industries. Buyers should evaluate every supplier against their own drawings, materials, volumes, quality requirements and delivery expectations.

Quick comparison of CNC machining companies in Vietnam

How we selected the companies

This shortlist considers several factors relevant to international purchasing teams:

• Clearly stated manufacturing capabilities
• CNC machining or closely related precision-manufacturing services
• Quality-management information
• Experience serving industrial or international customers
• Ability to support custom parts based on technical drawings
• Complementary services such as tooling, fabrication, surface treatment or assembly
• Accessible company and factory information

Inclusion in this guide does not replace a supplier audit. Capabilities, certifications, equipment and available capacity should always be confirmed directly before placing an order.

1. TDB Tech — CNC Machining and Contract Manufacturing in Hanoi

TDB Tech is a Vietnam-based manufacturer supporting international OEM customers with CNC machining and contract manufacturing services.

Its core capabilities include:

• CNC milling
• CNC turning
• Automated CNC turning
• Precision machining
• Aluminum cold forging
• Welding and assembly
• Contract manufacturing
• Quality inspection and production coordination

TDB operates approximately 50 CNC machines and supports a monthly production capacity of more than 200,000 components, depending on product complexity and production requirements.

The company’s stated machining capabilities include:

• CNC milling workpieces up to 400 × 800 × 400 mm
• CNC turning diameters up to Ø300 mm
• Dimensional capability down to ±0.01 mm, subject to material, geometry and process review
• Prototype, low-volume and repeat-production support

TDB applies an ISO 9001:2015 quality-management system with incoming, in-process and outgoing quality controls.

The company is particularly suitable for international buyers seeking a manufacturing partner in Vietnam for custom metal components, repeat production and projects requiring several coordinated processes.

Best suited for: International OEM components, CNC milling, CNC turning, assemblies and ongoing production programs.

Learn more about TDB’s CNC machining services or request a manufacturing review.

2. Smart Vietnam — Precision Sheet-Metal Manufacturing

Smart Vietnam is a Hanoi-based manufacturer specializing primarily in precision sheet-metal fabrication rather than conventional CNC milling and turning.

Its published capabilities include:

• CNC laser cutting
• CNC punching
• CNC bending
• Tube bending
• TIG and MIG welding
• Robotic and laser welding
• Powder coating and painting
• Hardware insertion
• Assembly
• Quality inspection

Smart Vietnam may be a suitable candidate for buyers sourcing fabricated enclosures, frames, cabinets, panels and sheet-metal assemblies.

Because its primary specialization is sheet-metal manufacturing, buyers looking for turned shafts or complex milled parts should confirm whether those processes are performed internally or through approved partners.

Best suited for: Sheet-metal parts, welded structures, enclosures and fabricated assemblies.

Source: Smart Vietnam’s official website.

3. Duy Khanh Engineering — Molds, Tooling and Precision Components

Established in 1989, Duy Khanh Engineering is a long-established Vietnamese precision engineering company based in Ho Chi Minh City.

The company focuses on:

• Plastic injection molds
• Metal stamping dies
• Die-casting molds
• Precision CNC components
• Production tools and fixtures
• Custom machinery
• Powder-metal components

Duy Khanh is particularly relevant to buyers requiring both tooling design and the manufacture of precision mechanical parts.

Its experience in mold and machine development may make it suitable for technically complex projects that require more engineering involvement than straightforward build-to-print machining.

Best suited for: Precision molds, dies, tooling, fixtures and custom industrial machinery.

Company information is available through the Saigon Hi-Tech Park supplier profile.

4. Export Mechanical Tools Joint Stock Company — EMTC

EMTC is a long-established mechanical manufacturer in Hanoi with capabilities extending beyond CNC machining.

The company publishes a broad range of manufacturing processes, including:

• Tooling and fixture manufacturing
• Hot forging
• Cold forging
• Stamping
• Welding
• Heat treatment
• Mechanical machining
• Sheet-metal fabrication
• Surface treatment
• Packaging
• Quality control

EMTC may be relevant for projects that require multiple metalworking operations under one supply arrangement.

International buyers should confirm which critical processes are performed internally, the available CNC equipment and the inspection plan proposed for their specific components.

Best suited for: Forged, stamped, machined and finished metal products requiring multiple manufacturing processes.

Source: EMTC’s official website.

5. KIMSEN Industrial Corporation — Aluminum Extrusion and CNC Machining

KIMSEN is an industrial manufacturer based in Bac Ninh Province, with a strong focus on aluminum extrusion, fabrication and component manufacturing.

Its published capabilities include:

• Aluminum extrusion
• CNC cutting, milling, drilling and tapping
• Stamping and punching
• Bending and welding
• Laser engraving
• Anodizing
• Powder coating
• Component assembly

KIMSEN is best evaluated as an integrated aluminum-component supplier rather than a general-purpose machine shop.

It may be especially suitable for customers that need extruded aluminum profiles followed by machining, finishing and assembly.

Buyers should verify tolerances, production volumes and alloy availability for each project during the quotation stage.

Best suited for: Machined aluminum extrusions, heat sinks, solar components and finished aluminum assemblies.

Sources: KIMSEN’s official website and fabrication capabilities.

6. Saigon Precision — Factory-Automation and Mold Components

Saigon Precision is a Japanese-owned manufacturer operating in the Linh Trung Export Processing Zone in Ho Chi Minh City.

The company is part of the Suruga Production Platform and produces components related to:

• Factory automation
• Press-die components
• Mold components
• Optical equipment
• Configurable mechanical components

The company’s business model differs from that of a typical custom CNC job shop. Its strength lies in standardized precision components and integration within an international industrial supply network.

Buyers should check whether the company’s product system and commercial model match their custom drawing requirements.

Best suited for: Factory-automation components, mold components and standardized precision products.

Source: Saigon Precision’s official website.

7. Innotek — Turned and Stamped Production Components

Innotek operates manufacturing activities in Bac Ninh and focuses on mechanical components for production industries.

Its stated capabilities include CNC automatic turning and related manufacturing processes for cylindrical, hexagonal and polygonal components.

The company’s turning equipment is described as supporting combined turning and milling operations for relatively small-diameter parts.

This production model may suit automotive, motorcycle and industrial customers requiring stable volumes of repeat components.

Buyers should confirm current equipment, available capacity, materials, tolerances and inspection documentation directly with the supplier.

Best suited for: Small turned components, stamped parts and repeat-volume production.

Source: Innotek’s official turning capability page.

8. Nhat Minh — Precision Molds and Tooling

Nhat Minh is a Hanoi-based supplier of molds, precision tooling and industrial production support.

Its published equipment information includes CNC machining centers, EDM equipment and wire-cut EDM machines from several established equipment manufacturers.

The company’s capabilities are relevant to:

• Precision molds
• Mold inserts
• Jigs and fixtures
• EDM components
• Custom tooling
• Precision-machined parts

Nhat Minh may be particularly suitable for electronics manufacturers and industrial buyers that require both precision tooling and machining support.

Because available online equipment information may change over time, buyers should request an updated machine list and quality-equipment list before conducting a supplier assessment.

Best suited for: Mold components, precision tooling, EDM parts and production fixtures.

Sources: Nhat Minh’s official website and its published company profile.

9. IDEA Group — Precision Machining and Automation Systems

IDEA Group is based in Ho Chi Minh City and combines mechanical engineering with precision manufacturing and industrial automation.

Its services include:

• Mechanical design
• Precision machining
• Custom machine manufacturing
• Fixtures and production equipment
• Automation-system integration
• Robotics and material-handling solutions
• Assembly and technical services

IDEA may be a strong candidate for projects where CNC-machined components are part of a larger machine, fixture or automation system.

It is less directly comparable with a pure build-to-print CNC parts supplier because the company also provides engineering and complete-system integration.

Best suited for: Automation projects, custom machines, industrial fixtures and engineering-intensive assemblies.

Source: IDEA Group’s official website.

10. MaTec Vietnam — Custom CNC Machining

MaTec Vietnam is a privately owned CNC machining company based in Hanoi.

The company promotes services covering:

• CNC milling
• CNC turning
• Custom precision parts
• Prototype and production machining
• Engineering and manufacturability support
• Inspection documentation

MaTec states that it works with aluminum, stainless steel, brass, copper, engineering plastics and other materials.

The company may be considered by buyers looking for a dedicated CNC machine shop for prototypes, custom components and small-to-medium production programs.

As with every supplier, buyers should verify relevant certifications, equipment availability and achievable tolerances for the specific part being quoted.

Best suited for: Custom CNC milling and turning, prototypes and precision components.

Source: MaTec Vietnam’s official website.

Which CNC manufacturer in Vietnam is right for your project?

The best supplier depends on the type of product you need to manufacture.

Choose a dedicated CNC machine shop when you need:

• Custom milled or turned components
• Parts manufactured directly from CAD files and drawings
• Controlled dimensional tolerances
• Prototype-to-production support
• Repeat production with inspection records

TDB Tech and MaTec are examples of companies that position CNC machining as a core service.

Choose an aluminum specialist when you need:

• Custom aluminum profiles
• Extrusion followed by machining
• Anodizing or powder coating
• High-volume aluminum components

KIMSEN may be more suitable for this production model.

Choose a sheet-metal manufacturer when you need:

• Enclosures
• Cabinets
• Frames
• Laser-cut and bent components
• Welded assemblies

Smart Vietnam specializes more directly in these processes.

Choose a tooling or automation company when you need:

• Molds and dies
• Jigs and fixtures
• Custom industrial equipment
• Automated production systems
• Engineering and system integration

Duy Khanh, Nhat Minh and IDEA Group may be relevant candidates for these requirements.

How to evaluate a CNC machining factory in Vietnam

A professional supplier evaluation should go beyond the quotation price.

1. Confirm the real manufacturing scope

Ask the supplier which operations are completed internally and which are outsourced.

Important processes may include:

• CNC milling
• CNC turning
• Grinding
• EDM
• Heat treatment
• Anodizing
• Plating
• Welding
• Assembly
• Final inspection

Outsourcing is not necessarily a problem, but the responsibilities and controls must be clear.

2. Review machine capacity against your components

A long machine list does not automatically make a supplier suitable.

Confirm:

• Maximum part dimensions
• Maximum turning diameter
• Available axis configuration
• Spindle and tooling limitations
• Suitable materials
• Production capacity
• Backup equipment for repeat orders

The supplier should review your actual drawings before confirming manufacturability.

3. Evaluate tolerance realistically

Do not select a supplier based only on the smallest tolerance shown on its website.

Tolerance capability depends on:

• Component geometry
• Material
• Wall thickness
• Datum structure
• Machining sequence
• Heat treatment
• Surface finishing
• Inspection method
• Production volume

Ask the supplier to confirm critical tolerances feature by feature.

4. Examine the quality-control process

At a minimum, ask about:

• Incoming material inspection
• First-piece approval
• In-process inspection
• Final inspection
• Calibration control
• Nonconforming-product procedures
• Material traceability
• Inspection reports
• Corrective-action processes

If your project requires PPAP, FAI, CMM reports or specific material certificates, include those requirements in the RFQ.

5. Assess engineering communication

Communication is one of the most important differences between suppliers.

A qualified project team should be able to:

• Read technical drawings accurately
• Identify missing information
• Raise questions before production
• Discuss manufacturability
• Control drawing revisions
• Communicate quality issues clearly
• Provide realistic lead times

Fast replies are useful, but technically accurate replies are more important.

6. Compare total landed cost

The lowest unit price may not deliver the lowest total cost.

International buyers should also compare:

• Tooling charges
• Raw-material assumptions
• Minimum order quantities
• Inspection costs
• Packaging
• International freight
• Import duties
• Payment terms
• Rework risk
• Delivery reliability
• Inventory requirements

A transparent quotation makes it easier to compare suppliers on an apples-to-apples basis.

7. Conduct a supplier audit

Before awarding an important production program, consider an on-site or remote audit.

Review:

• Actual machines and equipment
• Factory organization
• Material storage
• Work-in-process identification
• Inspection facilities
• Calibration records
• Sample production records
• Subsupplier management
• Capacity planning
• Packaging and export preparation

Do not rely only on website claims or marketing presentations.

Information to include in your CNC machining RFQ

To receive an accurate quotation, provide:

• 2D technical drawings
• 3D CAD files
• Material specification
• Required heat treatment
• Surface-finish requirements
• Critical tolerances
• Estimated annual volume
• Order quantity and delivery schedule
• Inspection requirements
• Required certificates and reports
• Packaging instructions
• Delivery destination
• Incoterms and commercial expectations

If information is missing, ask the supplier to list its assumptions clearly in the quotation.

Why international buyers source CNC components from Vietnam

Vietnam offers international OEMs several potential advantages:

• A growing precision-manufacturing sector
• Competitive production costs
• Access to machining, fabrication, tooling and assembly suppliers
• An expanding base of export-oriented manufacturers
• Opportunities to diversify supply chains
• Manufacturing locations close to major Asian logistics networks

However, sourcing success still depends on supplier qualification, technical communication and disciplined quality management.

Vietnam should not be treated simply as a low-cost alternative. It should be evaluated as a long-term manufacturing base with different suppliers serving different technical and commercial needs.

Work with a CNC manufacturer in Vietnam

TDB Tech supports international OEM customers with CNC milling, CNC turning, precision machining and coordinated contract manufacturing from Vietnam.

Our team reviews each project based on its drawings, materials, tolerances, volumes, surface-treatment requirements and inspection expectations.

TDB’s confirmed capabilities include:

• 50 CNC machines
• CNC turning up to Ø300 mm
• CNC milling up to 400 × 800 × 400 mm
• Dimensional capability down to ±0.01 mm, subject to drawing and process review
• Production capacity exceeding 200,000 components per month
• ISO 9001:2015 quality management
• IQC, IPQC and OQC quality controls
• Support for prototypes, low-volume orders and repeat production

Send us your drawings and project requirements for a practical manufacturing review.

CTA: Request a Quote from TDB Tech

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FAQ

Is Vietnam a good location for CNC machining?

Vietnam can be a suitable sourcing destination for CNC-machined components, particularly for buyers seeking supply-chain diversification, competitive manufacturing costs and access to export-oriented suppliers. Supplier capability must still be verified for each project.

How should I choose a CNC machining company in Vietnam?

Evaluate the supplier’s equipment, part-size capacity, materials, tolerance capability, quality system, inspection equipment, export experience and technical communication. Always request a drawing-specific manufacturability review.

What files should I send for a CNC quotation?

Provide 2D drawings, 3D CAD files, material requirements, quantities, critical tolerances, surface finishes, inspection requirements and the required delivery destination.

Can Vietnamese CNC manufacturers support production volumes?

Yes, some Vietnamese manufacturers support repeat and volume production. Available capacity depends on component complexity, cycle time, equipment and current machine loading. Capacity should be confirmed during quotation and production planning.

Can TDB Tech achieve a tolerance of ±0.01 mm?

TDB has dimensional capability down to ±0.01 mm for suitable features. Final tolerance capability must be confirmed after reviewing the drawing, material, geometry and proposed manufacturing process.

Does TDB Tech ship CNC components internationally?

TDB serves international OEM customers and supports export-oriented project coordination from its manufacturing operations in Vietnam. Shipping arrangements and Incoterms should be agreed during quotation.