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Founded in 2003, Changyuntong Semiconductor is headquartered in the emerging Industry Cluster of Bao 'an District, Shenzhen. It has four subsidiaries: Xi 'an Branch, Hefei Branch, Shenyang Xinmei Semiconductor Co., LTD., and Shenzhen Huachang Technology Co., LTD.

Adhering to the development concept of "bearing in mind the responsibility and independent innovation", the company focuses on the design of power IC and SiP micromodules. It is one of the national high-tech enterprises, Shenzhen specialized, special and new small and medium-sized enterprises, Shenzhen independent innovation industry leading enterprises and one of the national semiconductor lighting standard optical module standard makers. And with the University of Electronic Science and Technology of China, Xidian University and other well-known universities and strong joint, industry-university-research integration to create their own brand "Long Yuntong · China Core".

The company's products cover high reliability, industrial electronics, consumer electronics three major application fields. At present, it has obtained 159 national authorized patents and passed the ISO9001 quality management system certification. In the future, the company will be committed to the development of high-performance analog integrated circuits, including power management, micromodules, driver circuits, reference voltage sources, optocoupler and other products, and become the leader of the next generation of system-level intelligent microsystem integrated circuit solutions.

focusing on the design of analog integrated circuits and SIP micro-modules for the past 20 years. It is a national high-tech enterprise, a leading enterprise in the independent innovation industry in Shenzhen, and a national semiconductor lighting standard optical component standard It is one of the makers, and has joined forces with well-known universities such as the University of Electronic Science and Technology of China and Xidian University.

The company's products cover three major application areas: high-reliability power management, consumer electronics, and LED lighting. Many core products can be used in the defense technology industry to provide localized solutions for fully autonomous equipment. 

It is a typical "civil technology and military" type. Military-civilian integration enterprise.