We have been manufacturing headphones since 1993. We started our production plant in shenzhen and moved to dongguan, guangdong, p. R. China in 1988.Our major products are:- headphones/earphones for hi-fi stereo, cds, walkmans etc.- headphones with mic. For computer users, telephone operators and telemarketers.- cell. Phone handsfree kit for ericsson, nokis, motorola and all other major brands and models.Zingy Electronic is a ISO 9002 certified in feb.2000.Quality is our top priority.Our qc starts with incoming materials. Components are checked at every stage at the production line. Finished products are 100% quality checked according to ISO 9002 before shipment.Please visit our website or contact us for more details.