Established in 1986, AL quickly grew from a small sole proprietorship trading firm to an international manufacturer of powerful, exquisite, compact design, supreme quality and high performance Loudspeakers, Mylar Speakers, Condenser Microphones, Dynamic Receivers, Buzzers and Transducers. As a leading manufacturer, our production network spread through 5 factories located at different provinces in mainland China, each of them having a total area of 15,000 sq. m. in production and engineering facilities. Strong R & D is implemented by our creative Engineering Team, consisting of 230 members, who are well prepared for all OEM projects. High accuracy equipment and instrument for testing our speakers' performance like Audio testing instrument of B & K from Denmark and the Anechoic Chamber Room provide an ideal audio environment in conducting these tests.