... manufacturers -Customers have Panasonic, Sony, Pioneer and Bosch Etc Audio Pro Speaker Component speaker basket, car speaker basket , tv speaker ... of speaker part according to your requirements. name: Audio Pro Speaker Component material:iron thickness:4mm to 12mm shape:round ... ,with constructin area of 38,000 square meters and near 1000 employees. Over these years, "Taichang" pay attention to science ...