Xunlei Limited (Chinese: 迅雷; pinyin: Xùnléi; Jyutping: seon3 leoi4; lit. 'thunderbolt') is a Chinese multinational technology company and an online service provider founded in 2003. The subsidiary of Xunlei Limited, Shenzhen Xunlei Networking Technologies, Co., Ltd. (Chinese: 迅雷网络技术有限公司) was formerly known as Sandai Technologies (Shenzhen) Inc. and changed its name to Shenzhen Xunlei Networking Technologies, Co., Ltd. in May 2005. Its headquarters are in Nanshan District, Shenzhen.