and the market localization rate is relatively high.

among photoresists, pcb photoresist is one of the main product types. its technical content is lower than that of semiconductor photoresist and panel photoresist. it is a photoresist product used in pcb manufacturing. among pcb photoresists, wet film photoresists have a large application proportion, and the production technical barriers are lower than dry film photoresists. wet film photoresist, also known as resist and photosensitive circuit ink,…