位于海河之滨的天津电声器材厂建于1952年,它是国内历史最悠久的电声工厂之一。经过几十年的建设、发展,已成为国内生产扬声器的骨干企业,亦是扬声器出口基地之一。目前拥有职工1500余人,技术人员200余人。该厂生产φ25mm到φ450mm各类圆形扬声器;布折环、泡沫塑料折环、橡胶折环 Located on the coast of the Haihe River, Tianjin Electro-acoustic Equipment Factory was built in 1952. It is one of the oldest electro-acoustic factories in China. After decades of construction and development, it has become a backbone enterprise in domestic production of loudspeakers and is also one of the loudspeaker export bases. At present, it has more than 1,500 employees and more than 200 technical personnel. The factory produces round loudspeakers ranging from φ25mm to φ450mm; fabric folding rings, foam plastic folding rings, rubber folding rings