Zhuzhou diamond brand
- Dealer YG20
Introduction to tungsten steel YG20 YG20 is a type of mold steel, specifically a tungsten carbide-ty···
- Zhuzhou Diamond YG15
Introduction to YG15 tungsten steel YG15 tungsten steel belongs to the tungsten carbide type of hard···
- Zhuzhou Diamond YG8
Introduction to YG8 tungsten steel: YG8 tungsten steel characteristics: Tungsten-cobalt ordinary har···