jianke. com has not closed down. According to the relevant information, Jianke Network Technology Co., Ltd. is located in Room A922, the headquarters building of Changsha Zhongdian Software Park Co., Ltd., No.39 Jianshan Road, Changsha High-tech Development Zone. Founded in 216, Jianke Network Technology Co., Ltd. is located in Changsha City, Hunan Province, and is an enterprise mainly engaged in research and experimental development. The registered capital of the enterprise is RMB 53 million. The current business status is normal business.