Fortune Telling Collection - Zodiac Analysis - What does the label: cm Ⅰ TLD: 2011aj0228 mean?

What does the label: cm Ⅰ TLD: 2011aj0228 mean?

Production number.

1. Every Apple laptop will have a production number, which is equivalent to the ID card of this computer, and each number is unique.

2. This will be more convenient for future maintenance. CM Ⅰ TLD: 2011aj0228 is the production number of this notebook computer.