With over 20 years of experience in line wired/wireless alarm system, surveillance system and video doorphone Shenzhen Security Group Corp., Ltd , has already become the biggest manufacturer safe security products China. At present consists 7 sole ...

SECTEC CO., LIMITED is an R&D oriented manufacturer and mainstream provider of advanced security surveillance system products in China. Founded 2001, our company has developed rapidly by excellent performance CCTV field. Our range from wired cameras, ...