General big brand, the investment is in the big hundreds of thousands of it, if there is a suitable store, you can consider

If you are trying to start a business, it is recommended that you are still careful to consider the brand on the market is a mixed bag, so you can not distinguish between good and bad.

To be on the safe side, why don't you master this technology yourself and open your own store, which is also very good,?

These are also very simple, as for the equipment needed, materials, practices related,

You can also add attention, more catering information and so on you.