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Room 606, Huafeng Baoyuan Building, Baoyuan Road, Xixiang Sub-District, Baoan Dist., Shenzhen, Guangdong, China (Mainland)
Low Price Multi Sim Modem for 32 sim card slot to send bulk sms, US $ 500 - 1500 / Piece, GJ-32, GJ, China.Source from Shenzhen Guo Jue Electronics Co., Ltd. on Waimaotong.com.
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