Giant Alarm System Co., Ltd. is a high-tech company established in 2000 which specializes in producing alarm system equipment. Our company has excellent ability of research and development, production and sales. We mainly produce five types of products including car alarms, motorcycle alarms, electric bicycle alarms, house alarms and emergency LED lights. R&D: We have 8 senior electronic engineers working on SCM and wireless. They have rich experience on PCB and SCM development, especially on anti-electromagneti...