QualySense is testing its QSorter Explorer with multinational companies.

Tencent Holdings, the investment unit of the eponymous Chinese web browser and media giant, is joining other corporate venture units and private equity players, with its latest investment in Beijing-based app service company Didi Taxi.

A line of corporate venturing units have backed second-hand car online auction site Youxinpai.

The $12m investment was part of a bridge round that reportedly included existing backers investors, Fidelity Growth Partners India, Qualcomm Ventures, Nexus Venture Partners and Catamaran Ventures.

This round brings the total capital raised by RetailNext to $29m, including its $8m B round in August 2011.

Google Ventures, the corporate venturing unit of the eponymous search engine provider, backs A round.