Four Presidents of the International Solar Energy Society (ISES) Visit China Solar City-Dezhou
-The Release of the First Automatic Production Line of Vacuum Tubes
September 22, 2007, the first automatic production line of evacuated tubes in the world was finished and its news release was held in Dezhou City. Four of the six presidents of ISES attended the meeting. The release of automatic production line of evacuated tubes has had a great and positive influence on the solar industry. The independent innovations of Himin provided the impetus for the rapid development of the entire solar industry.