Given the input sentence, please extract the subject and object containing a certain relation in the sentence according to the following relation types, in the format of "relation1: word1, word2; relation2: word3, word4". Relations include: product/material produced; manufacturer; distributed by; industry; position held; original broadcaster; owned by; founded by; distribution format; headquarters location; stock exchange; currency; parent organization; chief executive officer; director/manager; owner of; operator; member of; employer; chairperson; platform; subsidiary; legal form; publisher; developer; brand; business division; location of formation; creator.

Koudai Gouwu Valuation : $1.4 billion Total funding : $362 million VC backers : New Enterprise Associates, Tiger Global Management, Tencent, Chengwei Capital Most recent round : $350 million, October 23, 2014 Notably, in Koudai’s most recent round, Tencent contributed $145 million, for a 10 percent stake in the startup that offers intelligent shopping software “Koudai Shopping,” focused on mobile e-commerce.Uers can browse and make purchases on the site from within Tencent’s popular WeChat messaging app, and vendors can market their own shops through Koudai’s WeChat channels.Leveraging its search technology, Koudai aims to become a leading shopping traffic gateway on the mobile Internet.

Answer: developer: WeChat, Tencent; subsidiary: Tencent, WeChat