Announcement highlights: Andon Health Co.Ltd(002432) subsidiary covid-19 antigen rapid detection POC professional kit is authorized

E company news, Aba Chemicals Corporation(300261) : abnormal fluctuations in stock trading, suspension verification; Andon Health Co.Ltd(002432) : the subsidiary ihealth covid-19 antigen rapid detection POC professional kit product has been authorized by the U.S. FDA and EUA; Zhejiang Talent Television & Film Co.Ltd(300426) : establish a wholly-owned subsidiary to provide star live training services; Suzhou Maxwell Technologies Co.Ltd(300751) : it is estimated that the net profit in 2021 will increase by 47.05% – 72.4% year-on-year; Beijing Huafeng Test & Control Technology Co.Ltd(688200) : the industry has strong demand, and the net profit is expected to increase by 112% – 134% year-on-year in 2021; Zijin Mining Group Company Limited(601899) : it is estimated that the net profit in 2021 will be about 15.6 billion yuan, with a year-on-year increase of about 140%; Naura Technology Group Co.Ltd(002371) : it is estimated that the net profit in 2021 will increase by 75% – 125% year-on-year; Guoguang Electric Company Limited(002045) : jointly invested in the establishment of Guangzhou zhidu universe Technology Co., Ltd; Nuode Investment Co.Ltd(600110) : it is proposed to build a new production base of 100000 tons of copper foil materials; Hebei Sinopack Electronic Technology Co.Ltd(003031) : it is planned to purchase stocks such as RF chip business of gallium nitride communication base station.