 SAN JOSE, Calif., April 30, 2021 GLOBE NEWSWIRE -- AnPac Bio-Medical Science Co., Ltd. NASDAQ: ANPC AnPac Bio or the Company, a biotechnology company with operations in China and the United States focused on early cancer screening and detection, announced today that it has filed its annual report on Form 20-F for the fiscal year ended December 31, 2020 with the U.S. Securities and Exchange Commission the SEC on April 30, 2021. 