On December 9, Aerospace Intelligent Manufacturing Technology (300446.SZ) stated on the investor interaction platform that the company is not involved in the production of lithography. The high-performance functional materials sector of the company mainly produces photosensitive dry film products used in the PCB field, playing a role in blocking electroplating and etching. In addition, the company focuses on domestic alternatives for key high-performance film materials in the PCB and FPC fields. They have developed a series of products including electromagnetic shielding film, pressure testing film, and conductive adhesive film. The pressure testing film was awarded the "Single Champion" product in the manufacturing industry in Hebei Province, breaking the monopoly of overseas manufacturers and is significant for achieving independent and controllable industry chain.