Yes, 4 out of top 5 slots in India (in terms of market share) are taken by Chinese OEMs (other being Samsung). However, not all are equally unknown. Brands like Xiaomi have released international phones as well and are regularly reviewed by Western publications. Techno, meanwhile, is slightly more focused on emerging countries and is out of depth in developed economies.
I used it in the past on Linux and liked it’s relatively small memory footprint though I am currently on Strawberry ( a fork of Clementine).