It’s very uncommon in China unfortunately. I’m Chinese living abroad and adopted veganism but everyone from my family thinks that it’s crazy.
Vegan recipes on the other hand is quite abundant. Sautéed vegetable dishes are in every meal. Personally I just like simply boiled tofu with some soy sauce, or baked sweet potatoes (in China it’s also common to add sweet potatoes into the rice cooker while cooking rice so that saves time), or boiled edamame with shells.