how ll i travel to japan from china i have chinese visa can i get japan tourise visa in china i am from mali?

if i can get what is the requirment please

Hello,
I would advise you to visit the Chinese Embassy in Japan or contact them through the email or by phone. the officers will tell you for sure if you can get visa at the port of entry or not, and in general whether you need another visa or not.

http://china.visahq.com/embassy/Japan