UPDATE: 11/18/2011, 12.09 p.m. Details of Fangda Partners’ team have been added to the fifth paragraph of this article.

Shearman & Sterling and Tian Yuan Law Firm are advising Chinese networking giant Huawei Technologies Co. Ltd. on its $530 million buyout of Symantec Corp., its partner in a network security software joint venture. The transaction is expected to be completed early next year.