å·¥ä¸çªç ä¸èç²¾ç Industrial kiln, carefully built by zhongnai å©åé«æ¸©å·¥ä¸å¢æéè  å©æ¨èæè¡ä¸é«è´¨åå± Help the high temperature industry to increase efficiency and reduce consumption,and promote the high-quality development of the refractory industry æ¥çæ´å¤
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