Indasteri ea k'hamphani ea likhele ea khauta e thehiloe ka 2015.David Yu, mothehi oa k'hamphani, esale a le indastering ea likhele ho tloha ka 2005 mme o na le boiphihlelo ba lilemo tse ka bang 15 indastering.Khamphani ea rona e Toropong ea Songxia, Shangyu, Profinseng ea Zhejiang, moo ho hlahisoang likhele tse 1/3 lefatšeng ka bophara.