Refractories (Refractory material) according to the shape and size classification of refractories (Refractory material) according to the shape and size can be divided into five categories: (1) standard shaped products; (2) ordinary products; (3) shaped products; (4) Special shaped products; (5) Other Bricks do the most professional manufacturers, such as crucibles, dishes, tubes. Refractories (Refractory material) is one of the chemical composition of the refractory (Refractory material) of basic characteristics. Typically, refractories (Refractory material) according to the chemical composition of components (content), and its role is divided into two parts: (1) absolute lot, play a decisive role in the performance of their basic components - the main component; (2) accounting a small amount of the dependent components - sub-components, component or sub-component is an impurity raw materials accompanying the production process in order to achieve some purpose in particular to join the added ingredients (adding material). Bricks made of the most professional manufacturers _ _ Guangzhou MgO-C refractory shangzhuang provided by Zhengzhou City 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_45555720.html), for more information about the company.