Bain is a well-known brand in international communications field, a technical expert of the communication products. And, the Bain Communication Technology Shenzhen Co., Ltd. is a subordinate joint-stock enterprises which collect research, development, manufacturing and marketing for a body. The company main products has the call center special product series, including telephone traffic earphone, telephone traffic box, telephone traffic adapter, call center telephone assistant. And enterprise special telephone series, including conference telephone, hotel telephone, recording box, numerical voicegram, secret telephony and so on.