SN code is the serial number of the product, is the product's identity card number, also known as the "machine code", "certification code", "registration application code" and so on.
Basic Concepts
SN code is an abbreviation of Serial Number, sometimes called SerialNo, which is the serial number of the product, the product serial is in order to verify the "legal identity of the product
Products of the introduction of a concept that is used to protect the user's legitimate rights and interests, to enjoy legitimate services.
The product serial number is a concept introduced to verify the legal identity of the product, which is used to protect the user's legitimate rights and interests and to enjoy legitimate services; a set of legitimate
products corresponds to only one set of product serial numbers. Alias: Machine Code, Authentication Code, Registration Application Code, etc.
Basic Classification
Software SN code, online game SN code, TCP SN code, cell phone SN code.