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China
Personne àcontacter Ms. Sun
Room 1024, Building A, Biaozhi Business Center, No. 198 Xiang Fu Road, Tianxin District, Changsha, Hunan
Audience Response System PVS-W*0E keypad using the radio frequency technology works with base station and software , it is easy to operate and use, audience response system combines the audience with the events together, making your meeting, teaching, training more active.