Specialty is nothing more than local characteristics and rarity.
If you want to make it bigger and wider,
You can consider combining several local specialties, especially delicious food.
However, the supply of goods may be somewhat difficult, so you can make more investigations and have a look.
Taobao food specialty sells several models. For your reference: rose tea sour grandma crisp slimming gourmet konjac gum Yunnan Pu 'er tea squid slices fruit tree gardenia pure air-dried beef jerky milk raisin milk bean mellow goat milk dried Thailand kudzu root breast enhancement biscuit oatmeal dietary fiber hawthorn satiety biscuit Korea authentic fragrant three-in-one coffee slimming biscuit enhanced slimming konjac powder exported to China with charcoal roasted squid slices/shredded squid, American pecan (longevity fruit), wheat crispy milk, New Year chocolate set gift box, Super delicious spicy beef jerky, pure flavor Mongolian cheese, corn, strange fragrance, lovely cheese sticks, Booker's original crispy milk, black toffee, instant chocolate, Xinjiang thin-skinned salted almond hollow yogurt, and dried spicy duck tongue.