Qihoo 360 (NYSE:QIHU) today announced a joint venture with Chinese phone maker Coolpad (HK:02369). Smartphones shipped by the JV will be under brand Dazen, a sub-brand of Coolpad. In the first half of this year, one eighth of Coolpad phones were sold online (while almost all Xiaomi phones are sold on its online shop or Tmall store). Besides Coolpad and Xiaomi, other major players in China’s smartphone include Lenovo, Huawei, ZTE, OPPO, Vivo, and Meizu. Qihoo 360 previously tried to enter the smartphone market in 2012, partnering with smartphone makers and selling customized models on a site of Qihoo’s.