As a world-leading manufacturer of acoustic voice coils, domes, and jigs, PoYun was established in 1979, and specializes in the voice coil design solutions and manufacture of acoustic components for Public Address, Automobile, and Consumer Electronics. We served about 1,250 customers; and total capacity of the manufacturing facilities reached above 564 million for voice coil division and 33.6 million for diaphragm division in 2016.