is the holding subsidiary of Nancal Technology (Stock Code: 603859), National Specialized and Sophisticated "Little Giant" Enterprise, Shanghai High-Tech Enterprise, Variable Frequency Drive National Standard Drafting Committee Member. The company specializes in R&D, production, and sale of power electronics such as Medium voltage AC drives, Medium voltage soft starters, Low voltage industrial AC drives, Low voltage Power quality products, including Active Power Filters and SVG, having CE, ETL, and SIL certification.