for me, i will upload the Ringtones to /Library/Ringtones/ folder.
Hope this helps

yes it does.. you can use chinese, japanese which can be supported. All should be fine..

oic. you try see the filename on the left hand side, whether is ???.m4r or not.
Cause I using Mac (cyberduck) to transfer over my iphone, it's ok

do you have any chinese star program? try to run it before transfer.

if cannot try to rename to english words..

here is mine

i think you temporary use English 1st. i think you need to ask another sifu who using windows.. 

well u can try this way if u felt winscp doesnt support chinese .

1st : rename to alphanumeric [ english ]

Transfer to the appropriate folder and see whats the output .