supplyExplosion-proof loudspeaker

Changchun Faan Electronic Technology Co., Ltd. as a professional fire alarm and fire emergency system product provider and engineering service provider, has always focused on the service of fire safety field, based on the forefront of industrial and civil fire science and technology development; The company produces and operates a series of fire products and equipment, to undertake fire engineering projects and fire detection services! The company's service window consists of four departments: Sales, Engineering, testing and customer service. The sales department provides products to the market are: DT