86-0755-29927385
Floor 2 and 3, Building 11, Gangzai Industrial Park, Furong Industrial Area, Xinqiao, Shajing Street, Bao'an District, Shenzhen, Guangdong, China (Mainland)
SIP TCP/IP Video Door Phone Simple Operation, US $ 70 - 100 / Piece, Guangdong, China, SIPOTEK or OEM, SIPO-D600-D680.Source from Shenzhen Sipo Technology Co., Ltd. on Waimaotong.com.