They were competing and holding their own. I wouldn't say they were winning. The major advantage BYD had was as a battery manufacturer who had also vertically i

They were competing and holding their own. I wouldn't say they were winning. The major advantage BYD had was as a battery manufacturer who had also vertically integrated into lithium mining. Tesla has tried to replicate their manufacturing and mining operations but is still lagging in the development of those facets of their business.