3. How much is Apple's corporate signature for a year? It changes according to its stability. The more stable Apple's corporate signboard is, the more expensive it is. If you are a stable customer, you'd better not choose hundreds of signatures, which are basically * * * signatures. The stability of the platform will be better than that of individuals, and after-sales service will also be guaranteed. When choosing a service provider or opening the Apple signature service, we must pay attention to some platforms with inadequate services or unstable certificates as far as possible. (Ka) (Ka) signature is safe, stable and trustworthy.