三棵树（海南）国际贸易有限公司成立

Group 1 - The establishment of Sanke Tree (Hainan) International Trade Co., Ltd. has been reported, with a registered capital of 50 million yuan [1] - The company's business scope includes domestic trade agency, sales of surface functional materials, and trade brokerage [1] - Sanke Tree (603737) holds 100% indirect ownership of the newly established company [1]