Supmu.com is a 1 year old domain.
It was registered by chen chen , who can be reached at . The site is owned by chen chen. Registration details show that it was registered on 05 Dec 2015 through beijing innovative linkage technology ltd. dba dns.com.cn and will expire on 05 Dec 2016.
Wikipedia is a free web scale encyclopedia, free to be edited by anyone in the world. In a way it is the biggest information repository on the planet. See if supmu.com finds a mention on the Wikipedia.