Core Insights - Daoshi Technology's subsidiary, Hong Kong Jian Na, has signed a Pre-B round preferred stock subscription agreement with Brain Family Inc., investing $30 million to acquire minority equity in the company [1] - Brain Family Inc. is a leading global company in brain-computer interface technology, holding over 460 authorized patents and having core products certified by FDA and CE, applicable in various fields such as medical rehabilitation and human-computer interaction [1] - Daoshi Technology aims to leverage its experience in materials to build an "AI + materials" platform, collaborating with Brain Family Inc. to enhance the commercialization capabilities of "AI + new materials" [1] Company and Industry Summary - The development of brain-computer interface technology is significantly influenced by materials science, as demonstrated by the non-invasive approach of Brain Family Inc. in controlling smart prosthetics through sensors that capture weak human brain signals [2] - The breakthrough in materials science allows for the development of sensor materials that can more sensitively and stably capture original signals without the need for conductive gel, simplifying the user experience [2] - Brain-computer interface technology is a composite technology requiring support from various fields, including neuroscience, materials science, artificial intelligence algorithms, and engineering [2]