A product performance: N35-N52 Second, the product shape: round, square, circular, strip, tile, trapezoidal, all kinds of odd-shaped, went three main purposes: magnetic toys or four other applications, Surface treatment: can environmental requirements by plating and coating treatment, including galvanized (zinc white, color zinc, and zinc), nickel (nickel-copper-nickel, black nickel), gold-plated and coated with epoxy Five Advantages: Fast Delivery specifications and diverse, quality assurance, and quality service.