Core Viewpoint - The company has not yet supplied its developed PCB photoresist carrier materials to customers, as it is still in the process of research and trial production [1]. Group 1 - An investor inquired about the supply status of the PCB photoresist carrier materials developed by the company [1]. - The company confirmed that the polyester film production line includes PCB photosensitive dry film base materials, which have high performance requirements [1]. - The company is advancing the research and trial production of this product based on the production line debugging situation [1].

Group 1 - The company, Yuxing Co., Ltd. (300305), announced on August 4 that its public interaction platform addressed investor inquiries regarding its private placement fundraising project, specifically mentioning the production line for polyester film products, which includes PCB photosensitive dry film base material [1] - The company plans to advance the research and trial production of related products in conjunction with the production line debugging progress [1]