Chongqing Tongnan Electro-Melting Refractory Co., Ltd. imported fireproof material production techniques researched in Fireproof Material Research Institute of China Building Material Research Institute to produce casting fireproof material in 1983. After over 20 years' development, the company has a fixed capital of over 50 million RMB yuan, a staff of over 300 employees and an annual productive capacity of over 6000T various casting fireproof material. It is a domestic promising casting fireproof material manufacturer. 　The enterprise covers an area of over 65mu with a production area of 10,300m2. 4500T 33# corundum fireproof material workshop is well equipped and is bright and broad; 1500T high-grade casting fireproof material production line (casting AZS41# zircon corundum brick and α-βAL2O3 corundum brick) takes a new look after being reconstructed; cold working workshop being reconstructed has 14 sets advanced grinding and cutting machines and has an annual processing capacity of 10,000m2 casting fireproof material. The enterprise is equipped with over 300m2 pre-assembly platform, in which a 250m2 pre-assembly platform can prearrange brick in large-scale float glass kiln. 　The enterprise has been engaged in developing new products for many years as so to improve products' quality to satisfy demands on casting fireproof material type and quality brought by technology improvement. The enterprise produces various specification oxidation casting 33#, 36#, 41# zircon corundum product and α-βAL2O3 corundum product. The products are oxidized well, have even color and luster, high to density and excellent performance of corrosion. Main products such as casting 33#, 36#, 41# zircon corundum tile got high-quality product certification issued by National Building Material Bureau and Provincial Government. All physical and chemical indexes are higher than industry standard in industry detection in 1993, 1995 and 2000. Oxidation Electro-casting Zircon Corundum Tile has been regarded as recommended product in building material industry by State Building Material Bureau. Our products are sold to over 300 glass users in float industry, light industry glass and electron industry and are exported to Iran, Indonesia and other countries and areas. 　The enterprise is located in Tongnan, northwest door of Chongqing, where there has green mountains, clean water and outstanding talents. There is former chairman Yang Shangkun's former residence and unique Manchu Dyn. civil residence. State well-known biggest indoor gold-plated Buddha--Tongnan Buddha (above) is not only the symbol of kind and honest character, but also the combination of wisdom and creative spirit. Welcome friends both at home and abroad to our factory to do business with our and exchange technology! Add： No.218, Dong'an Ave., Tongnan, Chongqing, China. 　 Tel： 023-44551635　44551267　 Fax ：023-44551785　 Zip： 402660 Website： Http://www.tn-dn.com 　E-mail:Office@tn-dn.com