China Xiangtai Food Co., Ltd. Announces Appointment of Senior Blockchain Expert, Mr. Jinghai Jiang, as Chief Operating Officer CHONGQING, China, Dec. 14, 2021 (GLOBE NEWSWIRE) -- China Xiangtai Food Co., Ltd. (NASDAQ: PLIN) ("PLIN" or the "Company"), an emerging growth company engaged in agricultural business with a...