We weierying electron are specialized in designing ,developing and distributing wireless intelligent security and protection alarm system with security accessories such as alarm system, PIR detector. gas detector, smoke sensor, etc,for home and business in China since 1987.Our products are widely used for bank, house, warehouse, store, uptown, housing, office, flat,..etc.Please quote to us we can supply Security alarm ,GSM Main unit and their accessories and seek distributor Address: 2/7 Floor,Zhonglian Technology Building,Gaofa Technology Garden,Nan Shan District, Shen ZhenshenzhenGuangDong Zip:518027 Tel: 86-755-26786819 Contact: Johnny Yee Web URL: