Quanzhou Giant Alarm System Co.,Ltd was established in 2003 and located in NAN'AN Optoelectronic Information Industry Base, QUANZHOU city, China. A professional manufacturer of automatic door systems and wireless radio frquency control systems. The company has 19 experienced engineers and over 100 staffs dedicated to carrying out R&D,manufacturing and service job. Our main products are boom gate opener, intelligent parking systems, swing gate opener and sliding gate opener as well as other accessories of automatic gate systems. Our team is dedicated to providing our customers with high quality products and excellent service. We sincerely welcome you to establish a win-win business relationship with us!