but local companies still need to accelerate breakthroughs in key technologies

Polarizer refers to a type of polymer material composite film, which is mainly composed of pressure-sensitive adhesive, release film, PVA film, TAC film, protective film, etc. It is one of the key materials for electronic display and is widely used in optics, electronics , communications, LCD, consumer electronics and other fields. Polarizer PVA (polyvinyl alcohol) film refers to the PVA film used in the field of…