National Service Hotline：
136-9217-3135
Conference Hall of a College in Changchun
Large screen splicing in a conference room of a public security bureau in Jilin
Dalian Dahua Real Estate LCD Large Screen
A 55-inch 3.5mm large screen in a multifunctional conference hall of a star hotel
Large screen of multifunctional conference hall in a street in Qinghai
Intelligent Conference Hall of a People's Government in Northwest China
Address：Quanju High-tech Park, No. 21, Pinggang Avenue, Jiangshishiwei Village, Matian Street, Guangming New District, Shenzhen
Mobile phone：136-9217-3135
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