Mainly used in medium carbon steel, alloy steel, hardened steel, carbonized steel, chrome steel, nickel steel, carbonitriding steel, various types of cast iron and other materials.

Our stones are suitable for most applications requiring Honing and are used in honing

• Hydraulic and pneumatic cylinder
• Cylinder Blocks and liners
• Hydraulic equipment
• Pneumatic Tools
• Gun barrels of field guns and battle tanks
• Bushes and bores

We have strong technical force, advanced production technology and professional formulation.

Best quality and service with lowest price.Don't miss to order.