How much is the digital calligraphy teaching system in primary and secondary schools?

As far as I know, the digital calligraphy system can choose the system version according to the teaching materials, and the price ranges from several thousand to ten thousand yuan. There are many companies that do digital calligraphy teaching systems in primary and secondary schools. The founder of this industry is Beijing Shi Sheng Xuanhe. In 2009, the concept of digital calligraphy was put forward and the industry standard was formulated. Since 10, it has obtained 6.5 million software users, owned 78 software copyrights and 12 invention patents, and the state-level high-tech enterprises are still very trustworthy.