Mianyang Economic Development Zone replaced the battery at the facade of No.212, No.59, Qunwen West Street, Economic Development Zone, Mianyang City, Sichuan Province. Mianyang Economic Development Zone Huaneng Battery Maintenance Service Department is located at No.212, No.59 Qunwen West Street, Mianyang Economic Development Zone, Sichuan Province, where the batteries are replaced in the Economic Development Zone.