I know a company that can do it. You can search "Beijing Huayu * * * creates enterprise color ring tones" on the Internet.

This company specializes in the design, production, opening (uploading) of national enterprise color ring tones and group color ring tones.

This company has been doing color ring tones for many years, and the quality of color ring tones is guaranteed and the service is very good!

go and ask, it should help you.