Weibo's mailing address is 8/F QIHAO PLAZA NO. 8 XINYUAN S. ROAD CHAOYANG DISTRICT, BEIJING F4, 100027. The official website for the company is ir.weibo.com. The information services provider can be reached via phone at 861058983017, via email at ir@staff.weibo.com, or via fax at 86-10-8260-8888.