How to deal with the speed limit of China Mobile?

Since every number of mobile users in China corresponds to the corresponding province, the mobile companies belonging to each province are under the jurisdiction and provide services. For the opening or handling of this service, it is recommended that you directly consult the 10086 manual customer service in your area and ask what needs to be opened.

What is the letter from China Mobile to lift the speed limit?

, business or, the relevant conditions and methods of opening the business, as well as the relevant tariffs after opening the business.