Sobast Technology Co., Ltd. start audio products business from 2009,we has been engaged in the development and production of 3C digital products such as audio-visual and mobile phone accessories etc.More than 10 years of professional experience in the design of research and development personnel,and the products have passed the national compulsory CCC certification, FCC /CE /ROHS BSCI, ISO original factory of brand products, establish strategic partnerships with 20 overseas and domestic brands. Welcome to contact our factory for customized and wholesale services.