Founded in 1995, Jiangsu JieJie Microelectronics Co., Ltd. (a.k.a. JJM®) specializes in R&D, manufacturing, and sales of discrete semiconductor components and power electronic components. JJM is a high-tech and innovative enterprise in Jiangsu Province, member of the China Semiconductor Industry Association (CSIA), also member of Power Electronics Task Group of China Electrical Equipment Industry Association (CEEIA). Among the China-based manufacturers, JJM offers the most complete portfolio of "square" uni-directional and bi-directional thyristors. The company was listed on the Shenzhen Second-Board Market on March 14th, 2017 (stock code: 300623). Since its establishment, the company has been engaged in R&D, production, and sales of discrete semiconductor components and power electronic components. While vigorously carrying out technological innovations, the company attaches great importance to the creation and protection of independent intellectual property rights.