Shenzhen E-5continents Co., Ltd. was established in 2001. As an ISO9001 certified enterprise, we are specialized in designing and manufacturing reed switch sensors (magnetic door contacts, float level switches, proximity switches, etc.) and other security accessories (panic buttons, sirens, strobes & other detectors, etc.) Most of the products are approved with RoHS, CE & FCC, CCC certifications. 20years experience, nearly 90,000,000 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're your best choice!