On 23 June 2009, Tianneng Group signed a strategic cooperation agreement with Sunnyspain Energy Group.

Spain is a global leader in green energy development and Sunnyspain Energy Group is a world-renowned new energy application enterprise that invests in solar and wind energy farms and related system engineering.

Sunnyspain Energy Group was looking for quality new energy battery products in China via the Shanghai New Energy Industry Association. After on-site visits to a number of companies in China, it finally chose Tianneng Group as its partner and the first batch of batteries it purchased will be used in solar energy street lights and rooftop solar installations in Europe. From now on, it will purchase plastic storage cells from Tianneng Group to use in its solar energy, wind energy and lighting projects around the world, and in turn the Group will provide comprehensive technological support and after-sale service to its Spanish partner.

The signing of the agreement was witnessed by guests including Mr. Mi Yue, Chairman of Shanghai New Energy Industry Association, Mr. Cheng Xiangmin, Deputy Administrator of People's Government of Shanghai Minhang District, Mr. Zhang Tianren, Chairman of Tianneng Group, and Mr. Zhao Changrong, Chairman of Sunnyspain Energy Group.