磷化工板块再度走强，金正大涨停走出7天5板

Group 1 - The phosphoric chemical sector has strengthened again, with Jinzhengda hitting the daily limit and achieving five consecutive trading days of gains [2] - Other companies such as Liuguo Chemical, China Chemical, Jiangshan Co., and Hubei Yihua have also seen significant increases in their stock prices [2]