Shaanxi Fenghuo Hongsheng Science & Technology Co., Ltd (Previous State-run No. 4381 Factory) is located on No. 72,Website:http://www.fhheadset.com, Qingjiang Road, Baoji City, Shaanxi Province, China. The company is one of the special branch companies of Shaanxi Fenghuo Electronics Co., Ltd, which is the special pointed company in which the electro-acoustical products are developed, produced and sold, is the important unit of being matched with the military and civil using electro-acoustical products in the electro-acoustical product industry in China