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In 1999    Started to produce the battery plates.

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In 2000    Began to produce battery assembly and create Aoyuan brand.

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In 2002    Set up a sales company in Changsha city (main business in hunan province).

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In 2004  Created brands like Oupu, Price Dessert etc and started to go abroad for the international market.

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In 2006    Established Shanghai Tianzhong Battery Co.,Ltd. which mainly R&D for the European exported products and started to open the market for the abroad markets.

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In 2007   Established Oupu(HK)International Co.,Ltd, and started to enter the Southeast Asia market.

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In 2013  Hunan KOJEAN Energy Development Co.,Ltd founded,at the same time,KOJEAN brand was created.And cooperated with the top 500 enterprises Johnson. 

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In 2014  Investment 380 million to build production base.

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In 2018 The production base was official completed and started to put into production.