There is an old snack training institution in Bantian, Shenzhen. The address is Bantian Market, Longgang District, Shenzhen. You can sit directly at Sakata Market Station by bus. You can check their information and contact information online.

How to make cold salad is delicious;

Stir-fry some oil (a few slices of ginger, onion and star anise). Boil the oil and pour it in. Add Chili oil, sesame oil and monosodium glutamate. It's delicious to put all these in. I'm a chef. I hope I can help you.