中钨高新(000657.SZ)：控股子公司拟投资新建AI PCB用超长径精密微型刀具专用生产线

Group 1 - The core viewpoint of the article is that Zhongtung High-tech (000657.SZ) is investing in a new production line for ultra-long diameter precision micro-tools to meet the growing demand in the AI computing market [1] - The investment will be made by the company's subsidiary, Shenzhen Jinzhu Precision Technology Co., Ltd. (referred to as Jinzhu Company) [1] - The total investment for the project is estimated at 175.5 million yuan, with a construction period of three years and expected production to commence in the fourth year [1]