Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd

Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd. Located on No. 5829 Hunan road, Pudong new district, Shanghai; With an area of 49, 000 square meters and 4.5 million dollars registered capitall, is a professional Anti-radiation earphonr manufacturer in China. It's new product ibrain anti-radiation earphonr designed with special acoustic air tube channel and world unique anti-electromagnetic radiation shileded wire technology, have obtained the United States, Australia, Germany, Japan, Russia and China invention patent and other World Intellectual Property Organization recognition, with the advance designm ibrain anti-radiation earphone is praised as the first class anti-radiation mobile phone earphone. Now we have established a long term stable business cooperation with customers all over the world, with 30 million annual production, many products gave been widely exported to USA, UK, German, Australia etc, enjoying a high reputation among the field.