Chinese startup Chem Semi starts operating its high performance filter factory in Changzhou of eastern China's Jiangsu Province Chem Semi(承芯半导体)'s high performance filter project - the company's second chip factory - has been completed and come into operation in the Wujin National Hi-tech Industrial Zone in Changzhou. 1.9w 04-11 14:38 READ MOST 北京多所高校禁用罗马仕充电宝 公司致歉：若有缺陷将依法担责 2932 06-15 13:15 POPULAR TAGS 罗马仕 安全 充电宝
