Shanghai Zhongchangjiang Telecommunication Technology Co., Ltd

The parent company, Wenzhou Changjiang Automobile Electronic System Co., Ltd was established in year 1980 with 10 million USD registered capital and has more than 4000 employees. As a national high-tech enterprise, our business covers automotive air-condition control system, entertainment control system, eletronic control templates and electronic swithes. We have cooperated with a lot of companies, such as GM, VW, Audi, SGM, FAW-Volkswagen, Shanghai-Volkswagen, FAW etc.

The subsidiary company, Shanghai Zhongchangjia Telecommunication Technology Co., Ltd is located in Pudong District Shanghai, with a area of 50 acres and 4.5 million USD registered capital. We are a professional manufacture in radiation free earphone's research, invention and production. The new products-ibrain radiation free earphone, using unique acoustic wave transmission channel and mental shielded wire technology, has opened a new chapter for the safe and healthy use of earphone. It has gotten patents in nince countries.

Ibrain has won a good reputaion among our customer.

Looking forward to becoming loyal partners with you.