Global B2B Custom Manufacturing — Electronics, Metal Parts, Assembly & Engineering Support

Four capability directions, one coordinated manufacturing system

Each capability can support individual project needs, while the full system helps customers move from concept validation to scalable production.

Electronics Manufacturing
Electronics Manufacturing

PCB, PCBA, EMS, wire harnesses, assembly and testing.

Metal Parts Manufacturing
Metal Parts Manufacturing

CNC, sheet metal, extrusion, die casting, tooling and finishing.

Box Build & Product Integration
Box Build & Product Integration

Enclosures, sub-assemblies, and complete product build.

Engineering Support
Engineering Support

DFM review, material guidance and process optimization.

Why integrated capability matters

Many manufacturing projects require more than one process. By connecting electronics, metal parts, product integration, engineering support, quality control and delivery coordination, we reduce multi-supplier communication complexity and create clearer technical alignment.

Fewer communication gaps

Fewer communication gaps

Clearer technical review

Clearer technical review

Better coordination across processes

Better coordination across processes

Stronger quality visibility

Stronger quality visibility

More stable transition from prototype to production

More stable transition from prototype to production

Built for companies at every stage

Tailored, scalable manufacturing and assembly support from prototype development to scaled production.

Startups & Innovation Teams

Startups & Innovation Teams

Rapid prototyping, DFM support and low-volume production help accelerate development — well-suited to concept validation and launch preparation.

Growing Businesses & SMEs

Growing Businesses & SMEs

Flexible order volumes, cost-effective manufacturing support and stable quality help you grow steadily through expansion and market development.

Established Brands & Product Companies

Established Brands & Product Companies

Engineering communication, quality control and scalable manufacturing support help product companies improve project continuity from updates to repeat production.

Large Enterprises & OEM Programs

Large Enterprises & OEM Programs

Coordinated manufacturing, assembly and delivery support help enterprise and OEM projects manage multi-process requirements with clearer project execution.

Projects and applications we support

From control modules to finished machines, we support a broad range of B2B product directions.

Industrial equipment control modules with integrated metal housings, electronics and precision components

Industrial Equipment & Control Modules

Control units, modules and equipment housings.

Electronic Devices & Smart Products

Electronic Devices & Smart Products

PCBA-driven devices and connected products.

Tools & Hardware Products

Tools & Hardware Products

Precision metal parts, tools and hardware.

Product Enclosures & Structural Parts

Product Enclosures & Structural Parts

Enclosures, housings and structural components.

Power, Wire-Harness & Connector Assemblies

Power, Wire-Harness & Connector Assemblies

Harnesses, cabling and connector assemblies.

Full-Machine & Box-Build Projects

Full-Machine & Box-Build Projects

Integrated, assembled and packaged products.

Quality you can verify

We integrate quality practices throughout the manufacturing lifecycle - from material confirmation and in-process control to final inspection and testing coordination, with complete documentation to ensure consistent, traceable results.

  • Material confirmation
  • In-process control
  • Final inspection & testing
  • Documentation & records

Our manufacturing is supported by certified entities within the Tongyong business system, with certifications applied within their stated scope.

ISO 9001 ISO 14001 ISO 45001 CE RoHS FCC KC UKCA
See quality & compliance
ISO 9001, ISO 14001 and ISO 45001 management system certificates for Tongyong Hardware Industrial

Have a project in mind?

Submit drawings, samples, specifications, quantities, and timelines. Tongyong Industries can review your requirements and support the next step of your manufacturing project.

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