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.haemekvent.com/