Zhengzhou Sunrise Refractory Co., Ltd. is committed to upholding the highest quality standards to ensure our products maintain a competitive edge in the global marketplace. All products are compliant with the ISO9001 international quality management system and are produced utilizing cutting-edge manufacturing equipment coupled with rigorous quality inspection protocols. The refractoriness of key offerings such as fused AZS and glass kiln bottom bricks reaches no less than 1700℃. Our in-house quality inspection team executes multiple levels of quality control that encompass selection of raw materials, monitoring of production processes, inspection of finished products at the factory, and other critical stages, ensuring each batch not only meets but often exceeds customer expectations.
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