Introduction: Suzhou Gude was established in November 1990 and is one of the top ten well-known semiconductor enterprises in China's electronics industry, a high-tech enterprise in Jiangsu Province, and a vice chairman enterprise of the China Semiconductor Discrete Device Association. Suzhou Gude is the most complete and comprehensive manufacturer in the domestic semiconductor discrete device diode industry in terms of design, manufacturing, packaging, and sales. From independent development of front-end chips to various packaging technologies for back-end products, it has formed a complete industrial chain. The main products include leadless integrated circuit products and discrete device products with the latest packaging technology, automotive rectifier diodes, power modules, rectifier diode chips, silicon rectifier diodes, switch diodes, voltage regulators, micro bridge stacks, military fuses, photovoltaic bypass modules, etc. There are more than 50 series and 1500 varieties in total. The product is widely used in aerospace, automotive, green lighting IT、 There are many fields such as power supply devices for household appliances and large equipment. Design and develop silver paste and various electronic pastes for solar cells, and develop and scale up the production of various new sensors in the field of the Internet of Things.