Other Non-ferrous Metal & ProductsChina Precision Alloy 1j50/1j79/1j85/4j29 Kovar/4j36 Invar 36/Alloy 42 Alloy Steel Round Bar, Find details about China Inconel, Incoloy from Precision Alloy 1j50/1j79/1j85/4j29 Kovar/4j36 Invar 36/Alloy 42 Alloy Steel Round Bar