三菱材料将提高四日市工厂的多晶硅生产能力。将购买工厂附近土地9万m~2,以进行1000吨/年级别的设备增强工程。预定2010年1月竣工。同时还考虑到将来该工厂的生产能力进一步提高3000～4000吨/年。包括将来提高生产能 Mitsubishi Materials to Increase Polysilicon Production Capacity in Yokkaichi Plant. The land near the factory will be purchased for 90,000 m ~ 2 for 1,000t / year equipment enhancement project. Scheduled to be completed in January 2010. At the same time also consider the future of the factory’s production capacity to further improve 3000 ~ 4000 tons / year. Including increasing production capacity in the future