Shenzhen Chuangan Security Electronics Co., Ltd.was established in 2008. we are specialized in designing and manufacturing reed switch sensors (magnetic door contacts, ) and other security accessories (panic buttons, sirens, strobes & other detectors, etc.)Most of the products are approved with RoHS, CE & certifications.7years experience, nearly 50,000,00 sets magnetic switches are widely used in burglar alarm and automation controlling fields.We have absorebed technicians from the field to establish R&D team for magnetic contacts, we also always strive to keep high quality at competitive price!OEM and ODM are warmly welcome from sincere brand companies for long-term and stable business!We&＃39;re your best choice!