από επεισόδιο | Φεβ 24, 2024 | Χωρίς κατηγορία
από ep | Ιούν 22, 2022 | Product Catalog
Solution Description 1. Shell: produced of higher rigidity fc-25 forged irontwo. Gear: high purity alloy metal 20crmnt is utilised for quenching and tempering, carburizing, quenching and grinding3. Spindle: substantial purity alloy steel 40Cr quenching and tempering...