Shanghai Zhongchangjiang Telecommunication Technology Co. Ltd is located in Pudong New Area, Shanghai and it covers about 40000m2 with advanced processing equipment lines. Its parent company, Wenzhou Changjiang Electronic System Co. Ltd, a golden supplier of an electric appliance established in 1980,
FC Changjiang radiation-proof earphone is a kind of new concept product which firstly introduces the concept of safe and healthy earphone and a pioneer of "green earphone" across the world. Our advanced R&D center focuses on the earphone researches and development...
FC Changjiang radiation-proof earphone is a kind of new concept product which firstly introduces the concept of safe and healthy earphone and a pioneer of "green earphone" across the world. Our advanced R&D center focuses on the earphone researches and development...
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