By guangdong power industry association,the shenyang institute of battery,zhenwei exhibition group hosted the seventh China(Shanghai)international battery industry exhibition on August 26-28,2015 held in Shanghai new international expo center,more than 30 countries and regions,more than 500 enterprises exhibition,exhibition area of more than 30000 square meters,more than 46 visitors 20000 professional visitors both at home and abroad to visit the site.