C309, Bldg. C, Changjiang Software Park, 180 Changjiang South Rd., Baoshan Area, Shanghai, China (Mainland)

Shanghai Biancheng Electronic Technology Co., Ltd.is a wireless calling system , coaster pager, service bell, call the business, get food, emergency alarms and other professional production and proce...

Floor 2, Building 2, No.2298, Hanghe Road, Pudong District, Shanghai

Shanghai Biancheng Electronic Technology Co., Ltd.is a wireless calling system , coaster pager, service bell, call the business, get food, emergency alarms and other professional production and proce...