Sky pickups by Dong Ho electronics has been manufacturing and distributing pickups(its brand name, 'SKY", "Kent Armstrong") and various kind of electric guitar and bass parts at home and abroad since 1987,You can find our products in more detailed on http://www.wdpacific.com.Please feel free to contact us for further informations on our products.Welcoming your visit to our EC21 page we would like to appreciate your interests and cooperation in this business. Thanks & best regards,SKY