Jiangsu Changjing Technology Co., Ltd. is a semiconductor product R&D, design and sales company focusing on independent research and development and sales services. The company was established in December 2018. The company's main products are diodes, transistors, MOSFETs, LDOs, DC-DC, frequency R&D, design and sales of devices, power devices and other products, with more than 5,000 product series and models. The products are widely used in various consumer and industrial electronic fields. The company was formerly known as Jiangsu Changdian Technology Co., Ltd. (600584) Discrete Devices department. Changdian Technology was founded in 1972 and was successfully listed on the main board of the Shanghai Stock Exchange in 2003. Changdian Technology is a world-renowned integrated circuit packaging and testing company. It provides packaging design, product development and certification to the world, as well as a full set of professional production services from chip testing, packaging to finished product testing and shipment. It also has domestic high-density integrated circuits. National engineering laboratories, national enterprise technology centers, postdoctoral research workstations, etc. Jiangsu Changjing Technology Co., Ltd. focuses on the innovation and development of China's semiconductor industry, aiming to create a world-class semiconductor brand!