Formerly known as 절강은홍전자유한회사, it is a China high-tech magnetic cores, transformers, and inductance products manufacturer and amorphous nanocrystalline core transformer factory, with independent core technology. Its annual sales volume is nearly 40 million. Its service customers include China State Grid, China Southern Power Grid, German Volkswagen, Schneider Electric, Siemens, ABB, Schaffner, Panasonic and other well-known enterprises.