Shenzhen Heiman Technology Co., Ltd. is a Hi-tech enterprise which specializes in research & development, marketing,manufacture 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, the ODM/OEM and direct sales services are provided to the customers around the world. Since the establishment, Heiman insures the high product quality benchmarked against ISO9001, adopting famous main element and strict quality...