E guzobere ngwugwu SIUMAI na 2002. Dị na Cixi City, Zhejiang Province, China.Site na mbọ na mmepe na-aga n'ihu, anyị abụrụla ezigbo onye na-emepụta ihe nkwakọba akwụkwọ na China.Anyị na-aga n'ihu na-emeziwanye uru nke anyị, melite nhazi ụlọ ọrụ, ma na-eduga ụlọ ọrụ elu na nke dị n'okpuru ijikọ ọnụ na-azaghachi na mgbanwe mpụga, nara ohere mmepe dị mma, na ịkwalite mmepe zuru oke nke gburugburu ebe obibi.Ma ọ bụ ngwugwu nke obere ihe ma ọ bụ ngwugwu akwụkwọ nke nnukwu ngwaahịa, anyị na-atụ anya mgbe niile maka nchọgharị na ajụjụ gị.Ụwa na-aga n'ihu ngwa ngwa.Iji chọọ ihe ịma aka na ohere ndị ọzọ, anyị nwere olile anya na nkwakọ ngwaahịa siumai nwere ike bụrụ ụlọ ọrụ nkwakọ ngwaahịa na-aga n'ụwa niile.