Nubwo gukoresha urupapuro (impapuro zo kwerekana) muburayi hamwe na Amerika birasanzwe, biracyari murwego rwo gukora impapuro zabashijeho (impapuro zo kwerekana). Imyaka yashize, cyane cyane i Beijing / Shanghai / Guangdong; Porogaramu nayo ni nyinshi kandi cyane .
Noneho abakiriya bamwe bakoresheje amasaha yimpapuro (impapuro zo kwerekana) nkibicuruzwa bisanzwe byamamaza muri sisitemu .