Since it is joining, it should be the other party that provides the formula, production technology, raw materials and even unified decoration vi.

What needs attention is the question of joining fee, whether it is in compliance. If you join, is there any expected income? If the expected income can't be achieved, is the joining fee reduced?

Take a good look at the default.

Looking at the contract is not just looking at it. If you have any questions, you must say hello and let the other person explain. If it doesn't make sense, you'd better find a lawyer to look at the contract. It won't cost much. If there are any problems in the future, the cost will be great.