| Loại | Manufacturer |
|---|---|
| Trang web | https://www.kantsang.com/ |
| Số điện thoại | 0769-82999688 |
| Địa chỉ | No. 5, Luyi 1st Road, Tangxia Town, Dongguan City. |
Dongguan Qinzeng Industrial Co., Ltd. was established in 1982, a Hong Kong-funded enterprise, specializing in the development, production and sales of electro-acoustic devices. With more than ten years of historical experience, he is a key member of the Hong Kong Electronic Chamber of Commerce. Qinzeng Shenzhen Company was established in 1998, specializing in the production of electret microphones.