Scientific identification, iron blade from the Department of siderite from Duanda, that is, first Duanda aerosiderite into thin slices, and then use packet technology into set of bronze body.

• 经科学鉴定，铁刃系由陨铁锻打而成，即先把陨铁锻打成薄片，再利用包套技术嵌入青铜器身。