Technology
Expansion joint structure
Fire head protection structure
Corundum furnace guide nozzle
Lip Brick Abrasive Tools
![[Utility model patent certificate] corundum furnace guide nozzle](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/daf0cb4f-a861-4841-b8d4-1f0f579edcc8.jpg "[Utility model patent certificate] corundum furnace guide nozzle")
[Utility model patent certificate] corundum furnace guide nozzle
![[utility model patent certificate] new insulation box for casting refractory materials](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/6b690e5b-7fc9-4ab1-b6fd-04f52045ab0a.jpg "[utility model patent certificate] new insulation box for casting refractory materials")
[utility model patent certificate] new insulation box for casting refractory materials
![[Utility Model Patent Certificate] A Glass Furnace Grand Arch Integral Assembly Platform](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/916e23f6-c11b-4052-9175-9725c9906dca.jpg "[Utility Model Patent Certificate] A Glass Furnace Grand Arch Integral Assembly Platform")
[Utility Model Patent Certificate] A Glass Furnace Grand Arch Integral Assembly Platform
![[utility model patent certificate] a mold for fused alumina brick](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/89c6c1c0-b04e-47eb-b127-aca9ccd6efea.jpg "[utility model patent certificate] a mold for fused alumina brick")
[utility model patent certificate] a mold for fused alumina brick
![[utility model patent certificate] a thermal insulation sand core for pouring nozzle brick](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/8e72a17d-9fba-40d3-b6ad-c228ccf79688.jpg "[utility model patent certificate] a thermal insulation sand core for pouring nozzle brick")
[utility model patent certificate] a thermal insulation sand core for pouring nozzle brick
![[Utility Model Patent Certificate] A large-scale non-shrinkage brick heat exhaust device for fused-cast zirconium corundum](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/4974125f-d737-4a2d-a1cb-909b28102b81.jpg "[Utility Model Patent Certificate] A large-scale non-shrinkage brick heat exhaust device for fused-cast zirconium corundum")
[Utility Model Patent Certificate] A large-scale non-shrinkage brick heat exhaust device for fused-cast zirconium corundum
![[Invention patent certificate] composite mold for fused cast refractory material and manufacturing method thereof](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/33b46b52-af6e-4847-a49b-d22430b6cf6c.jpg "[Invention patent certificate] composite mold for fused cast refractory material and manufacturing method thereof")
[Invention patent certificate] composite mold for fused cast refractory material and manufacturing method thereof
![[Patent Certificate of Invention] Corundum Sand Mold for Production of Fused and Cast Alumina Refractory and Production Process](https://omo-oss-image.thefastimg.com/portal-saas/pg2025043023124515879/cms/image/d8d5c52b-ed2e-4d5d-9338-ac9e7b609ca3.jpg "[Patent Certificate of Invention] Corundum Sand Mold for Production of Fused and Cast Alumina Refractory and Production Process")
[Patent Certificate of Invention] Corundum Sand Mold for Production of Fused and Cast Alumina Refractory and Production Process
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