Desc:Product introduction 1. Size 6mm to 22mm, alloy steel 25MnV or 20MN2, 24mm to 42mm using imported German 23MnNiMoCr54 alloy steel 2. Surface: self-...
Desc:Product introduction 1. Size 6mm to 22mm, alloy steel 25MnV or 20MN2, 24mm to 42mm using imported German 23MnNiMoCr54 alloy steel 2. Surface: self-...