China Xiangtai Food Co., Ltd. Announces Appointment of Senior Economist and Sophisticated Blockchain Scholar Dr. Erick W. Rengifo as Chief Strategy Officer and Director and Asset Management Expert Dr. Jiaming Li as President CHONGQING, China, Dec. 06, 2021 (GLOBE NEWSWIRE) -- China Xiangtai Food Co., Ltd. (NASDAQ: PLIN) ("PLIN" or the "Company"), an emerging growth company engaged in agricultural business with a...