New material industry is the base for the improvement of international competitiveness and information technology, and the foundation for technology innovation and product renewal. Joinworld Co.,Ltd. possesses the key technology of the patented intellectual rights of deep processing of refined aluminum, electronic aluminum foil and electrode foil. The technology ensures the transformation from the regional special resources to high value added new materials. The company has realized the resource integration of coal, electricity and aluminum combined, and has realized the processing chain of high technology products: general aluminum to refined aluminum to electronic aluminum foil and to the electrode foil. We have developed the process technology of the 32kV, 65kA, 80kA 'Three Layer Liquid Electrolytic Method' and the 'Segregation method' of refined aluminum. We developed the production process of ultra-high purity aluminum(Al≧99.999%).We are the top company in China in the production quantity of refined aluminum, electronic aluminum foil. Moreover, our process technology and the product quality have reached the advanced world-class level, which guarantee our products welcomed both at home and in the international market, such as Japan and South-east Asian countries and regions. Our products are widely used in different industries such as aviation, aerospace, national defense, electronic and information technology.