Tellhow starts energy saving technology R&D and promotion from 2002 on and establishes a joint venture with Japan Mitsui and Panasonic. It introduces advanced energy saving technologies from Japan, devises energy saving solutions suitable for China and perfects them through many years’ experience in project. From 2007 on, Tellhow “National Action of Energy Saving” is launched for popularizing the advanced energy saving ideas and technologies and facilitating the development of China’s energy saving and environmental protection. 

In 2010 Private Enterprises’ Joint Pavilion of Shanghai World Expo held 2010 Tellhow energy saving forum and explores the energy saving ideas for World Expo.

In 2010 the President Li Chunsheng attended the round-table conference of China-Sweden executives for discussing the way of energy saving.

In 2010 we hosted Shanghai 2010 Low-Carbon City Summit Forum for discussing the new idea of low-carbon urban construction.

In 2010 we won the honor of “Top Ten Building Energy Saving Enterprise in 2010”.

In 2010 Tellhow held two conference communication to promote the contract energy management model.

In 2010 Tellhow hosted the forum of “Construction of Green Airport, Development of Low-carbon Economy” in Diao Yu Tai State Restaurant for discussing the new idea of green airport construction.

In 2009 Tellhow held “Solar Energy Power Source and Intelligent Building Energy Saving and Emission Reduction Forum” in the Great Hall of the People and sets foot in solar energy photovoltaic industry.

In 2008 Tellhow energy saving technologies served for Olympic construction and commended by Olympic Organizing Committee.

In 2008 during the national energy saving publicity week, Tellhow energy saving technologies attract attention on the environmental protection exhibition.

In 2007 Tellhow “Energy Saving Idea” action started and promoted the idea of energy saving all over China.