April 16, 1841 (March 25, 1901), the Qing government dismissed Qishan appointed Lin Zexu and co Haiphong. 16, 2009,

1841 Opium War, the government and the public opinion and the Daoguang Emperor attitude change, Qi Shan dismissed so day life Lin Zexu to four products Qing title went to Zhejiang barracks the co-Haiphong affairs. Lin Zexu to Zhejiang actively planning Day to cast cannon speech artillery Service to his artillery technology to collect and study the system in Guangdong and eight kinds of warships schema grant Gongzhen Lin, Wang Shaohai motivate them to create a combination of Chinese and Western new warships, Hideto very surprised; invented the gun earlier than 30 years in Europe cast iron mold; disc manufactured for heavy artillery with artillery. (1 $ dj��.c��m) Lin Zexu in the winter of 1940 had a letter dynasty emperor, proposing "system gun will seek extremely Lee, shipbuilding will seek Adamantine" Wei clothing rebel ". From its ideas and practice of view, Zhesheng The Lin Zexu should set up the modern defense industry to resist the aggression is a requirement in the modern history of China.