华新精科：拟使用不超4.2亿元的暂时闲置募集资金进行现金管理

Group 1 - The company plans to use no more than RMB 420 million of temporarily idle raised funds for cash management [1] - The cash management approval by the board is valid for 12 months from the date of approval [1] - Funds can be used in a rolling manner within the specified limit and period, with automatic extension for transactions that exceed the validity period [1]