SHANGHAI, Feb. 28, 2022 /PRNewswire/ -- Daqo New Energy Corp. (NYSE: DQ ) ("Daqo New Energy", the "Company" or "we"), a leading manufacturer of high-purity polysilicon for the global solar PV industry, today announced that its subsidiary Xinjiang Daqo New Energy has signed a long-term high-purity polysilicon supply agreement with a leading solar manufacturing company in China.