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Shaped and unshaped refractory materials, furnace repair materials, castables, tundish spray coatings, tundish dry materials, gunning materials, slag splashing materials, flow stabilizers, slag weirs, ladle slides, ladle inlets and outlets, ladle bricks, impact bricks, cored wires, silicon-calcium wires, high-temperature coatings, steelmaking furnace auxiliary materials, ironmaking furnace auxiliary materials, bulk materials, magnesium balls, carbon balls, modifiers (the previous two products and raw materials do not contain chemicals), mineral products, light-burned magnesium balls, magnesium products, taphole mud, alloys, metallurgical furnace materials, deoxidizers (except hazardous chemicals), tar bricks, magnesium-carbon bricks, and steel sales. (For projects that require …