Tianjin Changan Electronic Engineering Co., Ltd. was founded in July 2005, its predecessor is Tianjin Security Technology Co., Ltd. our business scope mainly involves design, production and sales of building intelligent engineering and the related products; design, production and sales of safety precaution system engineering and the related products; design, production and sales of fire facilities engineering and the related products. The typical achievements of our company have TEDA Administrative Commission and Tainjin TEDA Hotel etc. Tianjin Changan has always followed high-quality installation and efficient service to satisfy the customers, meanwhile, we sincerely welcome friends from all walks of life to cooperate! Let us build a better future!