The main purpose of fire resistance testing for coatings is to evaluate the performance of coatings under combustion conditions, including parameters such as flame retardancy, burning rate, burning time, and smoke density, so as to ensure that coatings have a certain fire resistance capability in practical applications.

Electromagnetic Compatibility (EMC) testing for data cables is a crucial step to ensure that they can work normally in complex electromagnetic environments and not cause interference to other devices.

FCC, the Federal Communications Commission of the United States, is directly accountable to Congress. It coordinates domestic and international communications by regulating radio broadcasts, television, telecommunications, satellites, and cables, and authorizes and manages radio frequency transmission devices and equipment except those for federal use.

CE certification is a product safety certification of the European Union, and all medical devices entering the EU market must undergo medical device CE certification.