Introduction: Sagami is a specialized company that specializes in the development and manufacturing of high-frequency wound inductors, LC triplets, and converters. Since its establishment, Sagami has been continuously researching and improving in the field of winding processing for about half a century, with the ultimate goal of increasing customer satisfaction to 100%. In the 21st century, Xiangmo Company not only pays special attention to and strengthens maintenance and persistence in the field of audio and video, but also enters the communication and automotive application fields as our new market direction. "Commitment" is our daily work from top to bottom, and the spirit of persistence from bottom to top.