There are three.
1. Hanchuan Intelligent (688022) :
From the perspective of net profit in the past three years, the average net profit in the past three years was 62.5633 million yuan, and the net profit in the past three years was the lowest of 44.15 million yuan in 2020 and the highest of 73.28 million yuan in 2019.
The company has independent intellectual property rights technology \"control chip high-speed boundary scan technology\
2. Quanxin Shares (300447) :
From the perspective of net profit in the past three years, the average net profit in the past three years was 7.8 million yuan, and the net profit in the past three years was the lowest of -252.5 million yuan in 2018 and the highest of 138.8 million yuan in 2020.
July 17, 2020: In the chip industry, the company has carried out the chip design and promotion work for FC sub-cards, and has launched a special SIP-based sub-card chip in the early stage, and has a certain application in the market, and the company is currently carrying out a special chip design work based on ASIC for user needs.
3. Yingtang Zhikong (300131) :
From the perspective of net profit in the past three years, the average net profit in the past three years was 146 million yuan, and the net profit in the past three years was the lowest 28.57 million yuan in 2019 and the highest 268.9 million yuan in 2020.
After the completion of the transformation of Yingtang Microtechnology production line, it will also be equipped with the production of third-generation semiconductor power devices based on SIC-SBD, and gradually expand to other third-generation semiconductor products after continuous upgrading of equipment and processes.