Overview
Defond specializes in switch and sensor components and solutions.
Founded in 1978, Defond is a leading global supplier of OEM electro-mechanical, electro-magnetic, and electronic control components, modules, and assemblies.
- The world’s biggest supplier of switches to the power tools industry
- Originator of the Wellong Brand GFI electrical shock protection devices
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What We Have
FACILITIES
- 125,000 sq. meters floor space in two mainland China factories
- Advanced tool shops
- Mechanized production
- UL/VDE self-certified supplier status
- FDA registered
- ISO/TS 16949, ISO 9001, ISO 14001, ISO 13485
PRODUCT RANGE
- UL61058 component recognition (special purpose switches)
- Push button, key, rocker, rotary, slide, snap action, trigger, toggle
- Power and signal switch designs
- Integrated modules (switch + electronics)
- Switches with integrated Li-On battery control
- Custom switches designed to OEM specification
FULL SERVICE ENGINEERING
- R&D services
- Robust design practices (appliance, automotive, industrial, power tool)
- Human factors engineering (ergonomic, audio, visual, and haptic)
- Precision electro-mechanical design
- Analog & digital electronics design
- EMC pre-compliance
- Design for global approval agency compliance
What We Can Do

Disciplines:
Markets:
Capabilities:
Certifications:
IP6X
UL
VDE
NMEA 2000®
UL
VDE
NMEA 2000®
Customers:
BLACK & DECKER
WHIRLPOOL
BOSCH
ELECTROLUX
TTI FLOOR CARE
VITAMIX
GENERAL ELECTRIC
WHIRLPOOL
BOSCH
ELECTROLUX
TTI FLOOR CARE
VITAMIX
GENERAL ELECTRIC
Headquarters:
Hong Kong