 SHENZHEN, China, Dec. 07, 2020 GLOBE NEWSWIRE -- Aurora Mobile Limited NASDAQ: JG Aurora Mobile or the Company, a leading mobile developer service provider in China, today announced that it has entered into a partnership agreement with Niu Technologies NASDAQ: NIU NIU, the worlds leading provider of smart urban mobility solutions, to help Niu Technologies improve operational and service efficiency in order to deliver an optimal user experience for their customers. 