Ụlọ Ezumike Ụlọ 4021 bụ ụlọ ezumike dị na Danzhou, Hainan, China, dochiri n'etiti ugwu na osimiri. Ụlọ a ji akụkụ ya nke wuru n'usoro dị iche iche, nke na-echetara mmadụ ebili mmiri na-agbagharị na ọdịdị ugwu. Akụkụ ndị wupụtara n'elu na-eyi ndo mgbochi anwụ nke dị n'okpuru iji chebe ngwongwo glass mgbe anwụ na-acha ọkụ. Ihu ụlọ ahụ ka e ji mbadamba aluminum a hazitara mepụta ya, nke e sere n'ụdị ebili mmiri na aja, si otú a nye ike iguzogide ihu igwe nke ebe osimiri. N'elu ụlọ ahụ, e wuru ubi ọhịa gburugburu ebe dị mma yana ọdọ mmiri (infinity pool) nke gbara oke ogologo, jupụtakwara na osisi ndị si n'ala ahụ. Mbara ala ụlọ a dum bụ mita kwuru elu 2583.04.

Aha oru ngo : House 4021, Aha ndị na-emepụta ya : Lianhuan Wang, Aha onye ahịa : Shanghai Canwei Construction Co., Ltd..