In 1982Solar Energy Research Office of Energy Research Institute of Shandong Academy of sciences was founded.
In 1987Sangle started to build up a fortune.
In 1994Shandong Sangle Solar Energy Co., Ltd. was officially established in Jinan.
In 2004Sangle set up the call center with 24-hour uninterrupted service.
In 2008Sangle Zhejiang production base went into operation.
In 2009Hunan base was completed and put into production.
In 2010Jiangsu base was established.
In 2011Shanxi base was established,and the sales of Sangle Group exceeding 2.5 billion yuan.
In 2012Sangle Henan base was established.
In 2011Shandong Sangle Solar Energy Co., Ltd. signed the comprehensive cooperation framework agreement with Japan Yazaki Corporation.
In 2012Shandong Sangle&Yazaki New Energy Co., Ltd. was established,Sangle becoming one of the enterprises producing stainless steel full flow plate solar collector.
In 2016Shandong Sangle Solar Energy Co., Ltd. was elected as the chairman unit of Jinan solar energy industry association.
In 2016Sangle set up green energy life experience musume, and became the advocator of modern green energy life from the leader of solar energy.