NINGBO VIRIDITY CO LTD. Was Founded In 1968, Formerly Known As NINGBO VIRIDITY Storage Battery Factory, A National Second-class Enterprise, Founded In 1968, Is The Backbone Enterprise Specialized In Producing Various Types Of Lead-acid Batteries Designated By The Former Ministry Of Mechanical And Electrical. And Was Restructured Into Ningbo Donghai Storage Battery Co. Ltd. In 1996.