Not supported.
The "Tianyu" game currently does not support face-to-face free trade between players. Currently, there are only two official trading methods, shopping malls and auction houses. It is a formal transaction.
Tianyu mobile game generally refers to "Tianyu". "Tianyu" is a large-scale 3D oriental fantasy MMORPG game developed by NetEase Pangu Studio. It was first exposed at the GSTAR 2013 International Game Show in South Korea and is operated by NetEase in China.