The solar world congress lasts four days. Our exhibition stand attracts thousands of experts, scholars and foreign customers. Meanwhile, the international renewable energy exhibition is also held attended by about a hundred famous foreign and domestic renewable enterprises, of which there are 21 foreign enterprises. The exhibition areas are more than 6500 square meters and it displays the newest foreign and domestic technology and products in renewable energy field. It is reported that accompanied by chairman of the congress, Yin Zhiqiang, the president of United Nations Environment Programme, Doctor Achim Steiner visits the stand for several times. He asks the related conditions about solar technological application and architecture integration. The elites of Sunrain communicate with these guests and gain foreign friends' praise. They ask for taking photos of their own accord.

What is worth mentioning is that as the specially invited scholar of this congress, the technological consultant of Sunrain, Doctor Harding, “father of vacuum tube coating” goes to Sunrain's stand to instruct some work before the academic report. He is voluntary to explain the advanced technology of Sunrain to other experts. Doctor Harding is zealous and humorous and has deep friendship with the Sunrain staff.