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  Year 1962—Changzhou Metal Factory was founded.
Year 1963—China First Generation Copper Shielding-room(P22) was developed.
Year 1966—Factory was renamed as Changzhou No.2 Radio Factory. (Main product: Bee brand electromagnetic shielding-room)
Year 1984—Factory was renamed as Changzhou Computer Factory. (Three major products: Shielding-room, Chinese Character Terminal, Tele-communication products) In the same year, GP Metal-plate Shielding-room was developed, which won National Advanced Technology Prize.
Year 1991—Factory was awarded “National First-class Enterprise”. GP type shielding room won the National silver Medal.
Year 1992—Factory was renamed as Changzhou Guoguang Electronics General Enterprise. In the meantime, Changzhou Leining Electromagnetic Shield Equipment Co., Ltd. was established.
Year 1996—Our company passed ISO9001 and GJB/z9001 quality system authentication.
Year 2000—Jiangsu Guoguang Electronic Information Technology Co., Ltd. was founded. Changzhou Leining Electromagnetic Shield Equipment Co., Ltd. became one of the three holding companies of Guoguang Group.
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