Sunda International Communication Co.,Ltd. is a leading role in intellectual card research, design, production and marketing. Self-developed GSM chip Operation System for Optional reliability Here at Sunda Communication, we recognize the importance of providing a total solution to buyers of GSM-related devices, whereas most chip providers outsource their operation systems, we have been developing and smoothly running our own in-house system for the past four years. Our GSM chip operation system i...
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