This undated photo shows cups of beverages from Chinese mainland teahouse chain Heytea. (PHOTO / BLOOMBERG)

Heytea, the Chinese mainland teahouse chain, has tapped UBS Group AG for its potential Hong Kong initial public offering as soon as next year, according to people familiar with the matter.

The company, which is famous for its cheese-foam teas, could raise at least US$500 million in an IPO, the people said, asking not to be identified as the information isn’t public. Plans are still preliminary and other banks that have had discussions with Heytea could be added to the lineup, the people said.

Several of the mainland's teahouses are eyeing IPOs in Hong Kong next year after bubble tea chain Nayuki Holdings Ltd. raised US$654 million in a June share sale

Details of the potential IPO such as size and timing could still change, the people said. A Heytea representative said they don’t have any IPO plans at this moment, and declined to comment on whether they are considering a listing. A representative for UBS declined to comment.

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Several of the mainland's teahouses are eyeing IPOs in Hong Kong next year after bubble tea chain Nayuki Holdings Ltd. raised US$654 million in a June share sale. The candidates include Mixue Bingcheng Co., which makes ice cream and tea, fruit tea chain ChaBaiDao, milk tea chain Gu Ming and brown sugar milk tea chain Lelecha, Bloomberg News has reported.

Shenzhen-based Heytea, formally called Shenzhen Meixixi Catering Management Co., started in 2012 in Guangdong province, according to its website. Its original recipe is a combination of salt, cheese and tea, but it also makes fruit teas.

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Heytea has attracted backers including IDG Capital, Sequoia Capital China and Hillhouse. The company was valued at more than 60 billion yuan (US$9.3 billion) after its latest funding round, Bloomberg News reported in July.