Jiashan Sub Electronic Co., Ltd. is the professional manufacturer of car speakers and subwoofers. Our company is located in Jiashan City, Zhejiang Province, China. This site is near to Shanghai, enjoying convenient air and sea transportation. Our company is specialized in manufacturing high-quality and reliable loudspeakers. Our product includes subwoofers/woofers, car speakers, amplifiers, mixers and midrange loud speakers. We keep walking together with your cooperation and exploiting a prospective wonderland.