I'd buy it if was as thin as the iPhone 6 and made by Apple (iPhone 6 internals, 3rd party accessory support, etc).
Man what u think who made yours what u have in your hands ?? apple ?? pleease .. don't be navie..
All iphones are made in china that means even yours .. that means all these housings are made in china ..
It doesn't matter where it is made man.. can be manufactured on the moon too .. You can do it at home if u want..
It is simply done on CnC high speed machines and only what it needs is program software file which needs to be loaded in high speed CnC machine and you good to go .. You put inside aluminium cupboid (u can put in even expensive metals depends how rich u are

)
All these housings are done EXACTLY as yours original because same software program is loaded onto CNC machine.. all parts everything is same ..
Then u see all writings/engravings are done by laser..
Links: