Devices with MAC addresses that start with DC-B3-B4 were manufactured by Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.

Device Manufacturer
Honeywell Environmental & Combustion Controls (Tianjin) Co., Ltd.

Manufacturer Location
158 Nan Hai Road, TEDA
Tianjin 300457

Estimated Devices using DC-B3-B4
16,256,250

Estimated Total Devices From Mfg
16,256,250

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