To be on Yobit you just need to pay money, as far as I know
Yobit says:
To add a new coin to Yobit please you need to fill out the form below.
Payment method: YobiCode
Listing type:
Free - 0.00 btc - no guarantee
Premium - 0.1 btc - 4-7 business days (no guarantee in case of compilation issues)
Exclusive - 0.5 btc - 2-3 business days (no guarantee in case of compilation issues)