Gray iron castings: The basic characteristics of high-density molding sand are: high clay content, low moisture content, and low amount of coal powder added. Our company's castings can achieve no heating, deformation, crack formation, dense metal at...

Gray iron castings: The basic characteristics of high-density molding sand are: high clay content, low moisture content, and low amount of coal powder added. Our company's castings can achieve no heating, deformation, crack formation, dense metal at...

Gray iron castings: The basic characteristics of high-density molding sand are: high clay content, low moisture content, and low amount of coal powder added. Our company's castings can achieve no heating, deformation, crack formation, dense metal at...

Gray iron castings: The basic characteristics of high-density molding sand are: high clay content, low moisture content, and low amount of coal powder added. Our company's castings can achieve no heating, deformation, crack formation, dense metal at...