Headphones Manufacturer
New Headphones with Special Design, 20Hz to 20kHz Frequency Response Range
Dongguan Huayu Optical Fiber Technology Co., LTD
Telephone: 0769-81856838
Phone: 13728332738
Row address: Daji Industrial Area, Tianbian Village, Shipai Town, Dongguan City, China
http://www.huayuxl.com/