岩山科技跌2.34% 近6年8个月无研报

Group 1 - The company, formerly known as Shanghai Ersan Siwu Network Holding Group Co., Ltd., changed its name to Shanghai Yanshan Technology Co., Ltd. in August 2023 [1] - The company's stock closed at 6.68 yuan, with a decline of 2.34% [1] - The last research report on the company was published by Guotou Securities on April 15, 2019, indicating a high growth in performance and a positive trend in mobile business development [1]