At Xiamen Tongkong Technology, we provide high-performance electrical and electronic components that serve a wide range of industrial and commercial sectors. Our extensive inventory of relays, power supplies, sensors, transformers, and wiring accessories supports OEM manufacturers, system integrators, and electrical contractors worldwide.
We supply not just components - but reliable solutions built to meet the performance, safety, and regulatory demands of each application environment.
Industrial Automation
We supply components that power and control automated systems in manufacturing, packaging, robotics, and logistics. Our sensors, relays, and power supplies are widely used in programmable logic controllers (PLC), machine safety circuits, motion control panels, and human-machine interface (HMI) units.
Typical Products:
DIN-rail power supplies for control cabinets
Safety relays and solid-state relays for automated lines
Proximity and photoelectric sensors for object detection
Energy & Power Distribution
We provide certified components for power distribution panels, backup power systems, and renewable energy installations. Our transformers, fuses, terminal blocks, and voltage monitoring relays are trusted by energy companies and electrical engineers.
Typical Products:
Low-voltage transformers for grid interfacing
Circuit protection modules and fuse holders
Surge protection devices for solar and inverter systems
Medical & Laboratory Equipment
Medical OEMs require compact, stable, and certified components for diagnostic and laboratory systems. We support their needs with high-quality signal relays, compact power supplies, and precise sensors used in analyzers, patient monitors, and life-support systems.
Typical Products:
Miniature relays for low-signal switching
Isolated power modules for sensitive devices
Thermal and pressure sensors for diagnostic tools
Transportation & Infrastructure
From control boxes in railway systems to power modules in EV charging stations, our products are used in rugged environments where vibration, temperature, and durability matter. We supply relays, connectors, and components built to meet transportation safety standards.
Typical Products:
Industrial connectors and terminal blocks
Vibration-resistant relays
Power modules for vehicle systems
Building Automation & HVAC
We help integrators and contractors deliver smart building systems by supplying temperature sensors, power relays, and switching devices used in HVAC, lighting, elevator, and fire control systems.
Typical Products:
Thermostatic relays for HVAC systems
Power contactors for lighting controls
Humidity and temperature sensors for BMS systems

