Zhejiang Dongni Electronics Co., Ltd. is a company specializing in ultra-fine electronic insulation coated wire products, electromagnetic wires; Information industry universal copper silver alloy and copper tin alloy ultra fine wire rod; Ultra fine diamond cutting line and wireless charging coil and other products development, production and operation of high-tech enterprises. The company's main products are power pole ear, power aluminum plastic film, battery cathode materials, etc. the coating thickness measurement and analysis is provided by the coating non-destructive analysis XRF thickness gauge -- T-350 produced by Jpspec instrument.