Giant Alarm System Co., Ltd is a leading manufacture and trading company in electronica l industry for more than 20 years also have a professional R&D team. With years of export experience along with excellent quality, advanced services and competitive prices, GIANT has won numerous customers' trust and support. Welome to inquire samples for testing,you can place your order after you testing.Our product range includes: swing gate operator, sliding gate operator, automatic boom barrier, parking management system and access control equipment such as: remote control, receiver, control panel, photocell, RFID card reader, Smart touch switch, RF wireless touch transmitters.