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Refractory High-Temperature Insulation Material Vacuum Formed Shaped Sampling Scoop Aluminum Silicate Ceramic Fiber Ladle Sample Spoon for Molten Iron Casting, Find Details and Price about Refractory Material Sample Spoon from Refractory High-Temperature Insulation Material Vacuum Formed Shaped Sampling Scoop Aluminum Silicate Ceramic Fiber Ladle Sample Spoon for Molten Iron Casting - Cangzhou Sefu Ceramic New Materials Co., Ltd.