Introduction: MDD is one of the few semiconductor brands in China that adopts the "Fabless+packaging testing" mode. With 15 years of deep industry cultivation, it has been focusing on the semiconductor field. On the basis of technological research and innovation, we have accumulated solid R&D and design capabilities, and also established a full process packaging and testing production line (covering packaging testing, finished product testing, etc.). Provide customers with high-quality semiconductor discrete devices such as MOSFETs, SiC, power diodes, and rectifier bridges. MDD is committed to meeting customers' high-quality needs. Currently, its products are widely used in various fields such as automotive electronics, new energy, industrial control, power supply, home appliances, lighting, security, network communication, and consumer electronics. It has multiple certifications such as UL, RoHS, and REACH, and can provide customers with reliable, high-quality, and customized semiconductor solutions. Since its establishment, MDD has won over 100 patents and honors both domestically and internationally, with business coverage in more than 40 countries worldwide, and enjoys a good reputation among various electronic industry enterprises both domestically and internationally.