同益股份：公司代理销售光刻胶基材树脂材料 目前销售占比较小

Core Viewpoint - Tongyi Co., Ltd. (300538) is engaged in the agency sales of photoresist base resin materials, primarily used in the display screen sector, with a currently small sales proportion [1] Group 1 - The company is involved in the sales of photoresist base resin materials [1] - The primary application of these products is in the display screen field [1] - The sales proportion of these products remains relatively small [1]