Oche Ezumike Oche Sempoa na-ejikọta mmụta omenala na arụmọrụ ọgbara ọhụrụ. Site n'ike mmụta e nwetara n'aka Soroban abacus nke Japan, ọ nwere azụ oche nwere mkpụrụ na-akpụgharị nke na-enye ma mmekọrịta site n'imetụ aka na mmetụta nke ịhịa aka n'ahụ dị nro. Mkpụrụ ndị a, nke etinyere n'osisi ígwè na-adịghị ata nchara ma jiri okpokolo osisi a gbagọrọ agbagọ nke na-agbanwe agbanwe jide, na-aga n'otu n'otu n'ahụ onye na-eji ya. E jiri mbọ osisi siri ike na-agafe agafe rụọ ya, nhazi a na-edozi nguzozi n'etiti ịma mma ahaziri ahazi na ike ịdịgide adịgide, na-eme ka o nwee nkwụsi ike, ụdịdị, ma na-akpọ mmekọrịta onye ojieme.

Aha oru ngo : Sempoa, Aha ndị na-emepụta ya : New Elegant Co., Ltd, Aha onye ahịa : New Elegant Co., Ltd..

Designskpụrụ dị mma mepụtara uru maka ọha mmadụ. Kwa ubochi anyi n’egosiputa ihe nlere puru iche nke n’egosiputa lence kachasi nma. Taa, anyị nwere obi ụtọ igosipụta atụmatụ mmeri nke na-eme ezigbo mgbanwe. Anyị ga-egosipụta ọtụtụ atụmatụ dị egwu ma na-akpali akpali kwa ụbọchị. Gbalia ileta anyi kwa ubochi iji kirie ihe omuma ohuru ohuru na oru ndi okacha amara n’uwa dum.