Jinan Shuangfeng Refractory Material Co., Ltd. is a professional manufacturer mainly specialized in the research, development and production of slide gate nozzles and tundish fast-changing nozzles. Meanwhile, we are equipped with the iron mechanism for producing slide gate nozzles, the tundish fast-changing mechanism, castable products and drainage sand. The Main products of our company are unfired aluminum carbon nozzle bricks, sliding plate bricks, fired aluminum carbon and aluminum-zirconia-carbon sliding plate bricks. With imported sintered corundum as the main raw material and modified antioxidative graphite as the carbon raw material, our mission is "addition of a small quantity of antioxidants and phenolic resin as the binding agent, they are mixed in a high-speed mixing roll, molded on 5000KN, 6300KN and 10000KN presses and dried by a far infrared dry kiln with warming curve