Refractories (Refractory material) by heat treatment can be divided into four categories: (1) fired brick; (2) does not brick; (3) unshaped refractory materials; (4) the melt (cast) products. Refractories (Refractory material) of the chemical and mineral composition of refractories (Refractory material) is a non-homogeneous body by a variety of different chemical composition and mineral composition of different structures. Refractories (Refractory material) the nature of its chemical composition, physical composition and distribution as well as closely related to the characteristics of each phase. Which refractories refractory lowest, shangzhuang Refractories (certified), Lanzhou, Zhengzhou City refractories by shangzhuang Refractories Limited. Zhengzhou City shangzhuang Refractories Co. (www.yntjj.com.cn) (www.yntjj.com.cn) is Zhengzhou, charge, flux leader, over the years, the company is implementing the scientific management, innovation and development, honesty and trustworthiness guidelines, and satisfy customer needs. In shangzhuang refractory leadership with the staff warmly welcome all inquiries negotiations to create shangzhuang Refractories a better future. You can also access (www.yntjj.com.cn/supply_details_46096725.html), for more information about the company.