On January 4, 2021, China Mobile Procurement and Bidding Network issued the "Announcement on the Classification Results of China Mobile's First-level Centralized Procurement Suppliers in 2020", which divided a total of 11 supplier categories. ZTT was selected as a Class A supplier of general fiber optic cables and optical fiber distribution box and a Class B supplier of network integrated cabinet.

China Mobile is an important strategic customer of ZTT and has maintained close cooperation relationship in multiple business areas for a long time. The latest classification results of China Mobile's first-level centralized procurement suppliers for 2020 not only indicate that the strategic cooperation relationship between ZTT and China Mobile will be further improved, but also reflect ZTT’s leading position in some segments of the communication industry, showing ZTT’s overall strength and the market development expectation.