广信材料：公司通过自制树脂产能的投产可有效降低原材料采购成本及运输费用

Group 1 - The core viewpoint of the article is that Guangxin Materials (300537) has initiated the production of self-made resin, which is expected to effectively reduce raw material procurement costs and transportation expenses [1] - The company has not provided specific numerical forecasts regarding the extent of cost reduction and gross profit improvement, as these will depend on actual production and operational conditions [1]