YIY operates a state-of-the-art manufacturing facility specializing in servo, relay, and IGBT voltage stabilizers. With 30,000 square meters of production space and an annual capacity of over 100,000 units, our ISO 9001:2015 certified plant utilizes advanced automation and rigorous quality control to deliver high-performance, reliable products worldwide.
World-Class Voltage Stabilizer Manufacturing Facility
YIY manufacturing capabilities, including automated production lines and comprehensive testing facilities, ensure every voltage stabilizer meets the highest standards of quality and reliability.
Scalable production
Advanced equipment
Rigorous testing
Complete coverage
Advanced Voltage Stabilizer Production Lines
YIY’s production lines incorporate the latest manufacturing automation technology, ensuring consistent quality, optimal efficiency, and reliable delivery performance for our global customers.

SMT (Surface Mount Technology) Line
- JUKI RS-1 placement machines with 0.02mm precision
- 8-zone reflow ovens with nitrogen atmosphere
- AOI inspection for component verification
- 50,000 PCB assemblies per month capacity

Transformer Manufacturing
- Computer-controlled winding for consistent parameters
- Automated core assembly and clamping systems
- Vacuum impregnation for enhanced insulation
- Comprehensive electrical testing including hipot and impedance

Final Assembly Line
- Modular workstations with integrated quality checks
- Pneumatic torque control for consistent assembly
- Real-time monitoring and quality data collection
- 300 units per day per line with parallel operations

High-Power Testing
- Up to 3MVA testing capability
- Environmental chambers for temperature/humidity testing
- Vibration testing for transportation simulation
- 72-hour burn-in stations for reliability verification
YIY Environmental Responsibility
ISO 14001 certified environmental management system emphasizing pollution prevention, resource conservation, and continuous improvement. We minimize environmental impact while maintaining operational excellence through sustainable practices and innovative solutions.
Waste elimination through lean principles
20% grid power reduction via solar
Real-time energy optimization
Reduced supply chain emissions
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- 15+ Years of Experience
- 30,000m² Modern Manufacturing Facility
- Annual Capacity of 1,000,000+ Units
- 300+ Professional Staff
- 50 R&D Engineers
- Exported to 130+ Countries
- 100+ Intellectual Property Rights and Continuous Innovation
- 12% of Annual Sales Revenue Invested in R&D







