In 2006, the establishment of Fangzi District Changlong equipment factory, production of large and medium-sized chillers, energy-saving environmental protection, and other air-conditioning products.
In 2008, the establishment of Weifang century Changlong New Energy Co., Ltd., the company began to water, ground source heat pump and other new energy industry transformation.
In 2009, access to "water source heat pump unit" national industrial production permit.
2010, was awarded the "China 's renewable energy construction application focused on recommended enterprises";
         "Weifang City Federation of Industry and Commerce Chamber of Commerce mutual cooperation Chamber of Commerce unit"
         "National new rural construction of renewable energy technology industrialization promotion center".
In 2011, the company in the central air-conditioning industry achieved remarkable results.
In 2012, the company name changed to "Shandong Century Changlong New Energy Co., Ltd.";
          The first phase of the construction of 30,000 square meters of factory construction completed and put into use.
2013, due to the expansion of business needs, the establishment of Weifang century Changlong economic and trade Limited.
2015, was awarded the "high-tech enterprises in Shandong Province" title.
2016, the company two construction of 3200 square meters of office building completed and put into use.
2017 so far, the company basically to achieve assembly line production, scientific management, team sales model, and gradually in the country to establish a perfect agent channels.