Clifford Chance and Simpson Thacher & Bartlett have the lead roles on the upcoming $1.3 billion Hong Kong initial public offering of China Huishan Dairy Holdings Co.

The Shenyang-based milk producer is selling 3.8 billion shares in a price range of $0.22 to $0.26 apiece. The IPO is expected to be priced next week, with trading slated to begin at the end of the month.

Clifford Chance Hong Kong partners Cherry Chan and Virginia Lee are acting for China Huishan on U.S. and Hong Kong law matters.*

Jingtian & Gongcheng is advising the company on Chinese law, while Walkers is serving as Cayman Islands counsel.

Simpson Thacher Hong Kong partners Christopher Wong and Chris Lin, along with New York partner Robert Holo, are advising joint global coordinators Deutsche Bank AG, Goldman Sachs (Asia), The Hongkong and Shanghai Banking Corp. Ltd., and UBS AG.

The banks are being represented by Commerce & Finance Law Offices on Chinese law matters.

Email: tbrennan@alm.com.

*Updated, 9/11/13: This story has been updated to include the Clifford Chance partners advising China Huishan on its initial public offering.