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Hongda Company was founded in 1998, mainly engaged in high-grade refractory materials research, production and marketing,, Hongda owns well-equipped production lines and advanced technology, as well as strong R&D team, which support our 100,000 ton annual production capability. We are a ISO-9000 approved enterprise, we maintain close cooperation with several research institutes and universities, all make us as a leading company in refractory developing and marketing. We established good business relations with dozens domestic big and middle size steel company, our products have been widely used in the steel pellet sintering, blast furnace trough, ladles, tundishes, steel rolling heating furnace and other industrial furnace Hongda refractory products satisfy our c…