E-Soltec was selected as the BEST OF SWEET 2017 as the Li-Leasure House. BEST OF SWEET 2017 selected by Aving News selects and awards notable companies and products among the companies participating in the exhibition.

The Li-Leasure House is a residential and leisure house made of steel that is safe from natural disasters and allows movement by securing structural stability. It has solved heat and cold problems with energy-saving technology and can be expanded through an expansion panel. It won the best award for "Good Design" by the Ministry of Commerce, Industry and Energy for its unique design and won the Prime Minister's Award from the Ministry of Land, Infrastructure and Transport for its new technology for eco-friendly housing.

Meanwhile, 'SWEET 2017' is an exhibition to examine the latest information and excellent energy technologies such as solar power, wind power, bio, smart grids, ESS, and 180 companies from 32 countries, including advanced energy industries such as the United States, Japan, China, Russia, Saudi Arabia, and the United Arab Emirates, participated in the event and was held in a 500 booth size.