Oppo and Vivo beat Huawei and Xiaomi to claim top spots in China
Both brands have boosted their market share by more than 5 percent in just one year, according to Counterpoint Research.
China is the world's biggest phone market, and it may also be the most dynamic.
After Xiaomi and Huawei enjoyed stints on top, Vivo and Oppo are neck-and-neck for the No. 1 spot in the country, according to Counterpoint Research. Between July and September, Oppo owned 16.6 percent of the market, narrowly edging out Vivo's 16.2 percent.
It's something of a Cinderella story for both brands, who in Q3 of 2015 had marketshares of 9.9 percent and 8.2 percent, respectively. Huawei comes in at number 3, with 15 percent of the market.
Xiaomi, formerly China's top smartphone maker, scored 10.6 percent of the market, down from 14.6 percent during the same period last year.