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Henan Tongyu Metallurgy Materials Group Co., Ltd. is a key company in the industry of steel-making protective and refractory materials in China. Our group company was established in 1997 and is mainly engaged in R&D, production and promotion of new technology, products and instruments of steel-making protective and refractory materials. Our annual sale volume of steel-making protective materials is over 300,000 tons, taking a leading position in this industry in the country. More than 130 kinds of products of 6 series are produced by our company, such as series products of pre-melted continuous casting mould powder, drainage agents, ladle/tundish insulation, dreg-absorbing agents, refined synthetic slag, coke purifying agents and sintered spraying agents. They are sold to mor…