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| File Name | Update Date | Download |
| 6; Fiber Optic Patchcord Anatel Certificate | 2017-05-16 |  |
| 5; Fiber Optical Cable UL Certificate | 2017-05-16 |  |
| 4;Fiber Optic Patchcord TLC Certificate | 2017-05-16 |  |
| 3; ISO9001 Quality Management System Certificate | 2017-05-16 |  |
| 2; ISO14001 Environmental Management System Certificate | 2017-05-16 |  |
| 1; National High-tech Enterprise Certificate | 2017-05-16 |  |
