Xiamen Union Century Imp. & Exp. Co., Ltd. bụ mbubata na mbupụ nzukọ na afọ ahụmahụ na-emeso na eke nkume ngwaahịa. Anyị factory, Xiamen Union Stone Co., Ltd., emi odude ke World Stone Trading Center na China Special Economic Mpaghara - Xiamen nke China.
E wezụga anyị oruru, anyị nwere ezigbo mmekọrịta na ọtụtụ na-agbari okwute nwe si China, Turkey, Italy, wdg Anyị nweta ofụri afọ ka toro anyị ọkọnọ si mere 50,000sqm ka 3,500,000sqm kwa afọ, na ngwaahịa na-nyere anyị isi nkesa si USA, Poland, Spain, Greece, Middle East, Singapore, na UK, Japan, Korea, wdg