Acid-resistant brick is made of quartz, feldspar and clay as the main raw materials
Chromium corundum is a material composed of aluminum oxide and chromium oxide, with high hardness, high melting point...
Acid-resistant brick is made of quartz, feldspar and clay as the main raw materials
Chromium corundum is a material composed of aluminum oxide and chromium oxide, with high hardness, high melting point...
