金杯汽车：公司参股公司沈阳仕天材料科技有限公司主营产品为改性塑料

Group 1 - The core viewpoint of the article is that Jinbei Automotive (600609) has provided insights into its investment in Shenyang Shitian Material Technology Co., Ltd., which specializes in modified plastics [1] - The company, Shenyang Shitian, is currently small in scale and is still in the market cultivation phase [1]