It is a company with a long history. The company was founded in 1998, and its office address is located in Tian'an Digital City, Longgang District, Shenzhen, Guangdong Province. The factory address is located at No. 21, Jinhui Road, Jianghai District, Jiangmen, Guangdong Province. Longgang Head Office covers an area of 3000 square meters, and Jiangmen Manufacturing Center covers an area of 30000 square meters (still under expansion). Founded in 2008, it is a national high-tech enterprise specializing in the R&D, production and sales of Optocoupler and its transmitting and receiving chips (IR/PD/PT). It is one of the first mainland enterprises to develop and mass produce 850nm/940nm infrared chips and optocouplers. At present, it is a domestic enterprise with the most complete variety of optocouplers, master the core chip R&D ability, wafer design ability, and a complete IDM industrial chain structure