www.zcjtt.cn;
Интерполитех 2017 (Х)
Shanghai Zhongchangjiang Telecommunication Technology
Co., Ltd
Hunan Road No.5829, building No.1, Shanghai,
China, 200120
Tel.: +86 (21) 58-226-122
Fax: +86 (21) 68-221-183
zcj@cncaea.cn
www.zcjtt.cn
Shanghai Zhongchangjiang Telecommunication
Technology Co., Ltd (Hereafter referred to as
Zhongchangjiang ) with registered capital of
10 million dollars, is located in Pudong New
District, a main economic zone in Shanghai. The
factory covers more than 50 acres with more than
15 assembly lines for production of radiation free
headphones. Its monthly production and sales revenue
has
reached
CNY
15
million.
Zhongchangjiang has become world s leading
manufacturer which has ability to design, make
researches and produce radiation free productions.
The developed earphones are named KANGDAO,
which adopt 5 advanced patented technique like
unique acoustic wave channel, metal shield wire,
non-magnetic sound chamber and small speaker
and etc. Zhongchangjiang becomes the first in the
field of headphones to put forward the concept of
safety and health. KANGDAO has been granted
invention patents in nine countries including China,
Germany, USA, Austria, Russia, Japan, Canada,
Korea, Israel. Moreover, it has also been granted
PCT patent.