on november 31, “2015 national nonferrous metals industry meeting” organized by china nonferrous metals industry association (cnia) was held in beijing. more than 300 delegates from national nonferrous metals industry enterprises and research institutes attended this meeting, in which the project of “research and application of life-cycle quality control of prebake anode”, developed by sunstone company, was given a first-class award of science and technology award of cnia.
