Yicai Global: Chinese silicon giant Tongwei will build $884 million high-purity polysilicon plant in southwestern China’s Sichuan Province Leading Chinese silicon producer Tongwei Group (通威集团) said it will invest RMB6 billion ($884 million) to build a high-purity polysilicon plant 1.7w 02-09 21:31 READ MOST No Data Yet~ POPULAR TAGS No Data Yet~