论文部分内容阅读
The output of Chinas refractory materials was only 70 thousand tons in 1949,and reached 28 million tons in 2010,which accounted for over 60％ of the world total.China exported about 5.93 million tons refractory raw materials and products to more than 100 countries and regions in 2010.China is not only a big country in terms of refractories production and export,but also a big country in terms of refractories talent and skilled personnel.China has contributed a lot to the world iron and steel,nonferrous metal,and building materials industries.