With over 20 years of experience in line of wired/wireless alarm system, surveillance system and video doorphone system, A&K Security Group Corp., Ltd , has already become the biggest manufacturer of safe and security products in America. At present the Group consists of 7 sole subsidiaries including A&K Weierying Electron Co.,Ltd, A&K Jinhuicong Technology Co., Ltd and A&K Jinfuxing Co., Ltd etc.