Guangzhou Yinxun Comm. Tech. Co., Ltd. Was founded on Jan., 11th, 2002. It is a new and high-tech enterprise. the company is a producing factory for communication equipment, which is integrated with development, production, sales and service.

the devices are widely used in airport, maritime, subway, railway, power electricity etc, there are more than 20 type user interfaces like FXS, FXO, HOT, Mag, RS232, RS485, RS422,4W EM, 2W EM etc.