Shenzhen Longjing Microelectronics Co., Ltd. is a private high-tech enterprise specializing in the manufacturing of semiconductor discrete devices and ICs. The company was established in 1999, with a current factory area of ​​10,000 square meters and an annual production capacity of 5 billion pieces. The company has introduced advanced fully automated production lines and testing equipment from Switzerland, Japan, Singapore, Hong Kong and other countries and regions, laying a solid foundation for the production of high-quality products. Product packages include SOD-523, SOD-323, SOD-123, SOT-523, SOT-23, SOT-23-3L5L6L, SOT-323, SOT-89, SOT-223, TO-92S, TO-92, TO -92L, TO-126, TO-251, TO-252, TO-220CB, TO-220SD, TO-220F, SOP8, ESOP8, DFN and other shape ICs and discrete devices. The current main products are diode and triode series, MOS tube series, LOD series, power management IC series. High-level product development and years of research experience in product application fields have created the core competitiveness of Longjing Micro Company. The customer demand-oriented development process and scientific and effective supply chain guarantee, coupled with the identified environmental awareness, give Longjing Micro Products a differentiated competitive advantage that meets the interests of customers. The company actively advocates the corporate development philosophy of "exploitation, innovation, integrity, and win-win". Build the brand with integrity, achieve the future with technology, achieve development with innovation, and strive to create maximum value for customers. It ranks among the best in new product development and application. The company has passed ISO9001:2015 and ISO14001:2015 quality management system certification, and its products meet ROHS and REACH environmental standards. They are widely used in various fields such as communication computers, household appliances, toys, electronic energy-saving lamps, and digital technology products.