Today we take the pleasure to introduce our company to youas a world-class manufacturer of audio products. Ourproducts range from multimedia speakers 2.1,4.1, Dolbysystem 5.1, karaoke speaker, amplifier, mixer to touchpad.We invite you to visit our website at www.rockridgesound.comto know more about our company. Of the certification of ISO9002 and UL, we are confident we can provide you the bestquality products. If you need more information, pleasecontact with us. We are looking forward. 
Taiwan