Shenzhen Heiman Technology Co., Ltd is a Hi-tech enterprise specializing in R&D of security products including PIR detector, IR detector, smoke detector, gas leakage detector, security alarm system, magnetic switch, button, alarm siren and etc.. With advanced equipments, specialized engineers and versatile service,  ODM/OEM and direct sales services are provided to customers worldwide. Our products are CE appoved and we issued very stric quality control regulation. Also we are a factory providing the most competitive prices.