Tesla has managed to cut Model 3 and Model Y delivery times in China, an important market for the automaker, after upgrading Gigafactory Shanghai to add more production capacity. Demand has rarely been a problem for Tesla and over the last few years, it has resulted in long delivery times for many variants of most models. The automaker has been increasing production capacity to catch up to demand, but the latter has still been outpacing the former, leading to Tesla stopping new orders of some models in order to reduce the backlog. In China, Tesla has also been experiencing strong…