AST, Chinese manufacturer and exporter of steel ball with variety of materials, such as high carbon, low carbon steel, high chrome, low chrome, stainless steel, alloyed casting iron, grinding media, forged steel etc. Dimension from 0.1 mm to 150 mm. The standard of hardness and wide application can meet customers from both home and abroad.
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AST, Chinese manufacturer and exporter of steel ball with variety of materials, such as high carbon, low carbon steel, high chrome, low chrome, stainless steel, alloyed casting iron, grinding media, forged steel etc. Dimension from 0.1 mm to 150 mm. The standard of hardness and wide application can meet customers from both home and abroad.