Beijing Yinhe Jinyuan STD Co.Ltd is one of the leading China queue calling system manufacturers, welcome to wholesale cheap RoHS, CE and FCC sos push bell, queue pager system, order pager system, parking site sos button, parking lot emengercy call, queue service managing device, customer waiting equipment, waiting position device, table number coaster from our factory.

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3-1104, Aoyu Building, Daxing,Beijing, China

86 10 60240439


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