Stands for clean energy companies are made ready for the clean heating products exhibition in Datong city, Shanxi province. [Photo/dtnews.cn] 

An exhibition for clean heating products kicked off in Datong city, Shanxi province, on June 10 with dozens of clean energy companies from across China attending. 

Various cutting edge products including new electric graphene heating film technology, which can intelligently transmit heat with higher efficiency, went on display. 

A state-of-the-art graphene wall product made by Datong Moxi Co, which can heat a room of 12 to 15 square meters per kilowatt, attracted many visitors.

The product is not only energy saving, eco-friendly, but also artistic and space saving as it can be made into a wall painting, according the manufacturer.