China Tungsten And Hightech Materials Co.,Ltd. (000657.SZ) has announced a plan to invest 145 million yuan in a new project to increase its annual production capacity of PCB drill rods by 30 million units. The project, which has a construction period of 12 months, aims to further expand the company's market share in PCB drill rods, secure the supply of raw materials for its PCB cutting tools, and strengthen its leading position in the complete industrial chain of PCB tools.