Securing the world’s best silicon single crystal productivity through innovative technology and management system, Woongjin Energy provides high-quality products that meet the strict quality requirements of SunPower which produces the world’s most efficient solar cells and is recognized for its world’s best quality and technology. In addition, it has secured global business portfolio by preparing production capacity designed to meet various customer needs.
Development of technology for both high quality and low cost
- Capable to manufacture high-quality ingots through quality control technology meeting various customer needs.
- Securing 500㎲ or more of minority carrier lifetime


is a compulsory input item.