Noticias y artículos

NOTICIAS
El uso generalizado del granito en los equipos láser

With its four core advantages of extremely low thermal expansion coefficient, high rigidity, strong vibration damping, corrosion resistance, granite has become the preferred structural material

NOTICIAS
Herramienta de medición de precisión de granito

Granite Precision Measuring Tools (Granite Precision Gauges)Granite precision measuring tools are high-precision reference measuring instruments made from natural black granite (mainly Jinan Qing and Mount