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Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd.

 

 

 

All of our anti radiation earphones have passed CE, ROSH, FCC tests.


High quality R&D department makes our anti radiation earphones keep pace with the times.

 

Total 7000 staffs in our group in Wenzhou, Zhejiang, China.

 

Our group cover up more than 220000 square meters in China,and we also have factory in Brazil,and office in USA.

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