Henan Daye Metallurgy Casting Material Co., Ltd. is a professional manufacturer engaged in the research, development, production, sale and service of slag remover, carbon additive, riser insulation agent, and perlite series products. As a industry frontrunner specializing in metallurgical slag remover production in China, our product “Daye Brand”R-2, R-3, R-4 & R-5 can replace similar imported products completely.