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Zhengzhou Zhengda New Material Technology Co., Ltd (formerly Zhengzhou Aluminum City Samsung White Corundum Factory), founded in 1996, is an ISO9001 international quality system certified enterprise. Since the establishment of the factory, our factory is mainly engaged in the production and development of abrasives and refractory materials. We adopt the management methods of large state-owned enterprises, detailed management and humanized service to ensure the superior quality of our products. 　　We have not only passed ISO9001:2000 quality management system certification as early as 10 years ago, but also introduced a large number of scientific and technological talents to devote themselves to the research and development of various high-tech refractory materials, and have n…