Vendor name: Harbin Cheng Tian Technology Development Co., Ltd.

MAC Prefix: 70:B3:D5:CF:4

MAC Range: 70:B3:D5:CF:40:00 - 70:B3:D5:CF:4F:FF

Type: MA-S

Address: ROOM140，Building21A，145 Nantong Street
　　　　　Harbin Heilongjiang 150001
　　　　　 CN