永和股份：浙江乘龙主营业务为聚合物彩色颗粒细粉等产品的生产与销售

Group 1 - The company Zhejiang Chenglong New Materials, controlled by Yonghe Co., is a comprehensive new materials enterprise [2] - The main business of Zhejiang Chenglong includes the production and sales of polymer colored granules and fine powders [2]