Stock Code: 00819.HK
| September 2010 | Tianneng’s used lead-acid battery recycling project is included within the “Revival and Technology Reform Investment Scheme for National Major Industries” by the National Development and Reform Commission and Ministry of Industry and Information Technology under the State Council. This qualifies the project for a subsidy of 5.6 million. |
| July 2011 | The construction of all plants in Tianneng’s recycling economic and industrial zone is expected to be completed. |
| June 2012 | Full trial operation |
| January 2014 | Tianneng's Recycling Economic and Industrial Zone is selected as State Technology Supporting Plan |
| December 2015 | Tianneng Eastern China Recycling Base started production |
| 2015 | Tianneng Northern China Recycling Base started trial production |
