Manufacturing process:

Optimizing raw materials → melting → matching ratio → primary purification → added alloying element → alloying → test → metallurgical structure control → secondary purification → functional testing → casting → furnace after testing → pallet packaging → exterior final inspection → entering warehouse

Bismuth is a metal element with the element symbol Bi and atomic number 83. It is located in Group VA of the sixth period of the periodic table. The simple substance is silver white to pink metal, which is fragile and easy to crush, and the chemical property of bismuth is relatively stable. Bismuth exists in nature as free metals and minerals.