Imininingwane enzuzo
Inani (izinto):20
I-MOQ:20
Isikhathi sokuthumela:October to April of the following year
Indlela yokuthumela:Iposi, Ukuthutha Ngendiza, Ukuthutha Ngolwandle
Ukubonisa umlingani
I-Yan Yu No. 4, isithelo siyindilinga ngokuma, ingaphezulu licwile kancane. Isithelo esisodwa sinesisindo esingamagremu angu-200, kanti izithelo ezinkulu zinesisindo esingamagremu angu-250. Iwumplamu onenyama emhlophe enenyama eqinile nokunambitheka okumnandi nokuqinile. Okuqukethwe okuqinile okuncibilikayo kungaba ngu-15%. Mayelana nekhwalithi, ayinayo inhliziyo, ikhiqiza kakhulu, inombala omkhulu wezimbali, iyazivundisa, futhi esifundeni saseZhengzhou, isithelo esivuthiwe sinesikhumba esibomvu ngokuphelele (esizeni saseXinxiang seZhengguo Research Institute). Isithelo esisodwa sinesisindo esingamagremu angu-200, kanti izithelo ezinkulu zinesisindo esingaphezu kwamagremu angu-300. Okuqukethwe okuqinile okuncibilikayo kungu-12.6% kuya ku-15.3%.