FAP, May 31 (Xinhua)-- the Silicon Industry Branch announced the latest price of solar-grade polysilicon. After 11 consecutive declines, which plunged by about 10% on May 24, silicon prices fell sharply again, cutting prices for the 12th consecutive week. Recently, the price of silicon wafer has continued to decline, 182 silicon wafer price has fluctuated around 4 yuan / wafer, 210 silicon wafer price has also been lower than 5.5 yuan / wafer, resulting in many wafer enterprises to reduce the operating rate and reduce the demand for silicon materials.