To sign, you have to go to the mall to buy signature props, 1000 points, which is 10 yuan. The purpose is to display your name with equipment.

I suggest: don't sign the equipment, because: first, it is useless to sign it. Second, contract equipment,

There is a big discount on the price. For example, the price of an unsigned thermometer is about 65.438+0 billion.

If someone signs it, it will be about 600-700 million. Imagine, who wants to buy something with someone else's signature on it?

You can't change it.