Industries & Sourcing Categories We Support
TongSourcing is a Hong Kong company with a sourcing office in Shenzhen. We help international buyers source and manage suppliers across China’s industrial clusters — with the technical communication that component and equipment sourcing requires.
Industrial Automation & Robotics Components
Guangdong is home to one of the world’s densest clusters of industrial automation and robotics component suppliers. We help overseas machine builders, integrators, and automation distributors source from qualified manufacturers in this cluster — and keep the technical details straight between your specification and the factory floor.
| Component Category | Typical Parts | What We Help With |
|---|---|---|
| Motion & Drive | Servo motors, drives, stepper motors | Spec clarification, supplier matching |
| Transmission | Gearboxes, reducers, ball screws, linear guides | Tolerance review, sample coordination |
| Feedback | Encoders, position sensors, resolvers | Interface compatibility checks |
| End Effectors | Grippers, vacuum heads, tool changers | Application matching |
| Sensing | Proximity, photoelectric, vision sensors | Model selection support |
| Pneumatics & Hydraulics | Cylinders, valves, fittings, pumps | Pressure and flow spec review |
| Controls | Motion controllers, PLC peripherals, IO modules | Protocol and compatibility review |
How We Support
- Supplier identification within the automation component cluster
- Technical specification clarification between buyer and factory
- Sample coordination and specification confirmation
- Factory visits and capability assessment
- Production follow-up and quality inspection support
Electrical Equipment & Transformers
We work with established manufacturers supplying electrical equipment for commercial and industrial applications. Our role is to help you evaluate suppliers, clarify technical requirements, and manage production and delivery from a local base in China.
| Category | Typical Products | What We Help With |
|---|---|---|
| Transformers | Power, toroidal, distribution, EV charging | Spec and certification review |
| Magnetics | Inductors, coils, chokes | Material and tolerance clarification |
| Assemblies | Control panels, wiring harnesses, cable assemblies | Drawing review, sample coordination |
| Components | Switchgear parts, terminals, insulation parts | Supplier matching |
How We Support
- Supplier sourcing and capability review
- Technical specification and certification clarification
- Quotation and MOQ comparison
- Production scheduling and follow-up
- Pre-shipment inspection coordination
CNC Machining & Precision Components
Custom parts live or die on tolerances, materials, and process control. We help buyers find and manage precision machining suppliers — and keep the technical details straight between your drawing and the factory floor.
| Capability | Typical Work | What We Help With |
|---|---|---|
| CNC Machining | Milling, turning, 3 / 4 / 5-axis work | Drawing and tolerance matching |
| Sheet Metal | Laser cutting, bending, stamping, welding | Process capability review |
| Casting & Extrusion | Die casting, aluminium extrusion | Tooling and MOQ clarification |
| Finishing | Anodizing, plating, powder coating, heat treatment | Finish spec confirmation |
| Assemblies | Tolerance-critical mechanical assemblies | First-article coordination |
How We Support
- Supplier matching against drawing and tolerance requirements
- Technical clarification on materials, finish, and process
- Sample and first-article coordination
- Production monitoring and inspection support
Electronics & Electronic Components
Shenzhen has one of the most advanced electronics supply chains in the world. We help overseas businesses source electronic products, components, and assemblies from qualified manufacturers — with verification and follow-up at each step.
| Category | Typical Products | What We Help With |
|---|---|---|
| Interconnect | Connectors, terminals, cable assemblies | Spec matching, supplier sourcing |
| Boards | PCB, PCBA | Capability and process review |
| Components | Sensors, switches, passive components | Model selection support |
| Power | Power supplies, adapters, LED drivers | Certification clarification |
| Finished Goods | LED products, smart devices, consumer electronics | Factory verification, QC |
How We Support
- Supplier sourcing and factory verification
- Production follow-up
- Quality inspection
- Export coordination
Custom OEM / ODM Manufacturing
Looking to develop your own product? We help businesses turn concepts into manufacturable products by connecting them with suitable factories and coordinating the development process from first sample to mass production.
| Stage | What We Coordinate |
|---|---|
| Product Development | Concept-to-spec discussion with factories |
| Supplier Matching | Capability fit for your product and volumes |
| Packaging & Private Label | Packaging, branding, and labelling |
| Mass Production | Schedules, specifications, and follow-up |
| Quality Control | Pre-shipment inspection and defect follow-up |
How We Support Every Category
Whichever category you are sourcing, the working method is the same. We act as your local team in China — handling the sourcing, the factory communication, and the follow-up.
| Stage | What We Do |
|---|---|
| 1. Sourcing | Supplier research, screening, quotation comparison |
| 2. Verification | Factory visits, capability assessment, documentation review |
| 3. Technical Alignment | Spec clarification, sample coordination, first-article review |
| 4. Production | Schedule follow-up, issue resolution, progress reporting |
| 5. Quality | Pre-shipment inspection, defect follow-up |
| 6. Delivery | Export coordination and documentation support |
Don’t See Your Industry?
China manufactures products across thousands of industries. If your category isn’t listed above, tell us what you’re sourcing — we’ll tell you whether we can help and where the relevant suppliers are concentrated.