Devices with MAC addresses that start with 20-DF-3F were manufactured by Nanjing SAC Power Grid Automation Co., Ltd.

Device Manufacturer
Nanjing SAC Power Grid Automation Co., Ltd.

Manufacturer Location
No.11 Phoenix Road
Nanjing Jiangsu 211106

Estimated Devices using 20-DF-3F
16,256,250

Estimated Total Devices From Mfg
32,512,500

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