More than a dozen Chinese companies have unveiled plans to follow suit, according to exchange filings.
The China-Switzerland Connect allows Chinese companies to raise capital by issuing and listing GDRs on Swiss bourse SIX.
Swiss firms can issue Chinese Depository Receipts on the Chinese exchanges.
She said UBS is also discussing with Chinese firms about listing in Frankfurt once rules are in place, so "our GDR mandates will keep coming".
Despite the brighter prospects, deal sizes have been comparatively small, with Gotion's $685 million Swiss listing the biggest so far under the Swiss connect scheme.