[Silicon Industry Branch: domestic industrial silicon spot prices continue to decline this week] the latest article issued by the Silicon Branch of China Nonferrous Metals Industry Association says that domestic industrial silicon spot prices have continued their downward trend this week. Among them, the metallurgical grade dropped 200,900 yuan / ton compared with the beginning of the month, the mainstream price was 14800-15900 yuan / ton, the chemical grade dropped 200,300 yuan / ton compared with the beginning of the month, and the mainstream price was 15800-16900 yuan / ton. Futures market, on May 11, the price of industrial silicon futures hit a new low since listing. Relevant data show that industrial silicon futures in the main contract at least hit 14285 yuan / ton. At the same time, aluminum alloy ADC12 price fell 200 yuan / ton at the beginning of the month, mainstream quotation 18200 yuan / ton; silicone DMC price dropped 900 yuan / ton at the beginning of the month, mainstream quotation 14300 yuan / ton.