We, NanHai zhensheng Electronics Co,. Ltd , is located in Foshan City, Guangdong Province.  specialized in maufacturing Amplifiers and Speakers,car audio&video. We have over ten years experience in the industry.We can develop five new amplifiers and four new speakers per month on average.  Solid quality,competitive price and best service make us different with our competitors. Being our business parnter means more choice and more profit. we look forword to establishing a lasting and mutual benefit business relationship with your esteemed company.