
NBT GROUP(HK)CO.,LIMITED is the foremost innovator in the filed of mobile phone jammer,After established , we are growing fast at a speed of exceed 50 percents every year, and have become a leading brand in this filed. Now NBT GROUP(HK)CO.,LIMITED is the first manufacturer to come to a production of more than 150 thousand every month, about 18 percents of worldwide market, hold a large market share .NBT GROUP(HK)CO.,LTD is doing its best to be the best supplier all over the world. we have agents in Europe , United States, Saudi Arabia, Brazil etc. And we are always exploring potential markets worldwide. We have become the largest mobile phone jammer, mobile phone blocker manufacturer and supplier. Our clients come from many countries, like Plaped Company which serve for national defence of Spain.Butterfly system from USA, etc. [
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