海正生材龙虎榜：营业部净买入3095.56万元

Group 1 - The stock of Hai Zheng Sheng Cai (688203) closed at 16.66 yuan on September 1, reaching the daily limit with a trading volume of 2.01 billion yuan and a turnover rate of 10.03% [2] - The stock was listed on the trading board due to a price increase of 15% at the close of the day [2] - The top five trading departments accounted for a total transaction amount of 1.11 billion yuan, with net buying of 309.56 million yuan [2][3] Group 2 - The main capital inflow for the stock was 42.64 million yuan throughout the day [3] - The largest buying department was Huaxin Securities, with a purchase amount of 24.99 million yuan, followed by Kaiyuan Securities with 20.42 million yuan [3] - The selling departments included CITIC Securities with a sale amount of 16.66 million yuan and an institutional special seat selling 7.28 million yuan [3]