Isomero ry'ibitabo Bishan ni isomero ry'ibitabo ryubatswe imbere mu nyubako yahoze ari urusengero rw'abakurambere mu mudugudu wa Bishan, mu Karere ka Yi, muri Anhui. Iyi nyubako, yari urusengero rw'umuryango wa Wang, yubatswe hashize imyaka irenga 230 mu gihe cy'Ingoma ya Qing. Uyu mushinga ufite ubuso bwa metero kare 420 kandi uhindura inyubako ndangamurage irinzwe ngo ikoreshwe mu bikorwa by'umuco by'iki gihe. Ibikoresho karemano nk'ibiti, imigano n'amabuye ni byo bigena imiterere y'imbere, mu gihe urukuta rw'ububiko bw'ibitabo rurangijwe n'ibumba ryera rikandagiwe. Urubaho rwa sima rushyigikira urukuta rw'ububiko bw'ibitabo kandi rugabanya kwangirika guterwa n'ubuhehere buva mu butaka. Imiterere y'urukuta rw'ububiko bw'ibitabo yibutsa inzitiro zishushanyijeho kandi ikikije ahantu ho gusomera hari hagati.
Izina ry'umushinga : Bishan, Izina ryabashushanya : Zhao Yunhai, Izina ry'abakiriya : Yunhai Zhao.
Igishushanyo cyiza nuwatsindiye igihembo cyizahabu mumarushanwa yumuco ndangamuco numuco. Ugomba rwose kubona ibihembo bya zahabu byatsindiye ibishushanyo mbonera bya portfolio kugirango umenye ibindi byinshi bishya, bishya, byumwimerere kandi bihanga umurage ndangamuco numuco wo gutunganya inganda.
