XNET [Xunlei] SC 13G/A: Joint Filing Agreement Dated: February 12, 2018 IDG
[Joint Filing Agreement Dated: February 12, 2018 IDG TECHNOLOGY VENTURE INVESTMENT III L.P. its General Partner IDG TECHNOLOGY VENTURE INVESTMENT III LLC IDG TECHNOLOGY VENTURE INVESTMENT IV L.P. its General Partner IDG TECHNOLOGY VENTURE INVESTMENT IV LLC] []