Case Studies
Proven Manufacturing Excellence
Real projects demonstrating our capability to deliver precision manufacturing across diverse industries.
MedicalMedical Device PCB Assembly
ISO 13485 compliant PCBA for a leading medical device manufacturer. Achieved 99.9% yield rate across 50,000 units with full traceability.
“WSJ delivered consistent quality that met our strict medical standards.”
— Quality Director, Medical Device Corp
AutomotiveAutomotive Electronic Control Unit
IATF 16949 certified production of ECU units for a Tier-1 automotive supplier. Zero-defect delivery over 3 years of continuous production.
“Reliable quality and on-time delivery, every single batch.”
— Procurement Manager, Auto Parts Ltd
IndustrialIndustrial IoT Sensor Module
High-reliability sensor modules for industrial monitoring systems. Designed to operate in extreme temperature and vibration environments.
“Their engineering team helped us optimize the design for manufacturability.”
— CTO, Industrial Solutions Inc
ConsumerSmart Home Control Board
High-volume production of smart home controller PCBAs with WiFi and Bluetooth connectivity. 200,000+ units delivered annually.
“Scalable production with competitive pricing and fast turnaround.”
— Product Manager, Smart Home Brand
EnergySolar Inverter Control Board
Power electronics assembly for solar energy inverters. High-voltage testing and thermal management optimization for outdoor deployment.
“WSJ understood our power electronics requirements from day one.”
— Engineering Lead, Renewable Energy Co
IoTLoRaWAN Gateway Module
Compact IoT gateway assembly with multi-protocol communication capabilities. Integrated antenna design and over-the-air testing.
“From prototype to mass production in record time.”
— Founder, IoT Startup
What Our Clients Say
“WSJ Electronic has been our go-to manufacturing partner for 5 years. Their quality consistency is remarkable.”
VP of Operations
Medical Devices Inc
“The team went above and beyond to help us optimize our BOM for cost savings without sacrificing quality.”
Supply Chain Director
Automotive Systems Ltd
“Fast turnaround, transparent communication, and excellent technical support. Highly recommended.”
Hardware Engineer
IoT Solutions Co
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