Dongguan Haiyada Smart Technology Co., Ltd. is a professional manufacturer of car alarm sirens, auto accessories and home security fittings. Our main products are piezo sirens, electronic sirens, battery back up sirens, strobe lights, magnetic switches and central door locking systems. Our products are widely used in vehicles, house safety fittings and alarm system. We have more than 200 items of products for your selection. Located in Dongguan City, 130 kilometers from HongKong and 50 kilometers from Shenzhen Yantian Port, we enjoy convenient transportation and economic advantage. Meanwhile, our factory covers more than 5,000 square meters.Founded in 1998, we specialize in manufacturing sirens and acoustic components which are exported to markets worldwide. Our production capacity is over 150,000 pieces per month. Moreover, with skilled technicians and advanced technologies, we can supply quality products. Meanwhile, we insist on our business motto "to create excellent products, and offer satisfactory service". Now we would like to develop worldwide business relationship. We look forward to your inquiries, OEM and ODM orders are also welcomed.