2/F, Zhonglian Science & Technology Building, Gaofa Industrial Zone, Nanshan District, shenzhen, guangdong, China

With over 20 years&＃039; experience in line of wire / wireless alarm systems, surveillance system and two-way speaking video and vision system, Shenzhen Security Group Co., Ltd. has become one...

Qianhu, Ningbo, Zhejiang, China

Ningbo Numens Electronics Co., Ltd. Is specializing in producing photoelectronic smoke detector, heat detector, gas detector and so on. With strong technical support, a assembly line according to UL s...

chaoyang, Beijing, Beijing, China

Beijing CVC Technology Limited Company was founded in 2001, as a professional manufacturer of various alarm systems. We are the member of National Security Prevention Association and Council. We have ...