2、1990, the establishment of Longkou City Chunlong-architectural engineering company 。

3、1991, the establishment of a joint venture with Singapore consortium Puwei "。

4、March 18, 1994, set up a "Longkou City pneumatic machinery factories." renamed in 1996 after the "Group of Shandong Province Chunlong-pneumatic machinery factory."

5、1996, with the integration of the establishment of the "Group of Shandong Province Chunlong."

6、1997, the establishment of the "Group of Shandong Province Chunlong prints plastic packaging company."

7、1997, the establishment of the "Chunlong - orchard."

8、2005, the establishment of "Longkou Chunlong -industry limited liability company."

9、2005, the establishment of "Longkou City Chunlong-Logistics Limited."

10、2005, the original "Group of Shandong Province Chunlong-prints plastic packaging companies" to the parent company. registered in the provincial industry and commerce administration, "Shandong Chunlong-Holdings Limited."
11、2006, in the original "Group of Shandong Province Chunlong-Pneumatic Machinery Factory," based on namely the establishment of the "Chunlong - Shandong Industrial Automation Group Limited."

12、2006, "Chunlong - orchard" renamed "Green Manor Chunlong in Longkou City."