Daxian Technology Company, headquartered in Hangzhou, Zhejiang Province, was founded in 1999 12.30, and changed from 20 14 18 to Zhongke Jiangnan, specializing in intelligent voice and language technology research, software and chip product development, voice information service and e-government system integration. Lin xi voice assistant, input method and other excellent products. The state-owned shares of Zhongke Jiangnan account for 67%.