Swpshinwoo was founded in 1986.From the beginning of our business, we are starting R&D and producing phaser and then had been produced micro speaker and receiver and had been supplied NOKIA, MOTOROLA, SONY, SAMSUNG , LG , etc. Now we focus on developing, designing, reserching, customizing, producing & selling many kind of earphones and headphons and customizing them.We have 2 CAD Engineers, 2 Structure Engineers 3 Acoustics Engineers and 2 Design Engineers and all of them have at least 16 years' R&D experience in the acoustic fields.Swpshinwootech Co, Ltd. is a dreaming The Leading Company in the Acoustic Business world.Our Philosophy of Management are Superior Technology, Quality Competitiveness andThe Finest Belief.