Detailed Product Description

Valve Seat
Material: High Chrome Molybdenum Cast Iron Alloy.
             Its the advanced technology introduced from UnitedKidom Institute of
             internal-combustion engine and the latest formula developed by Shanghai
             internal-combustion engine institute under the actual situation of China.
Function:1)High attrition endurance,
              2)High temperature endurance
              3)High erosion endurance.
              4)Can be used 150--300 thousand kilometre.
REMARKS:The normal valve seat is made by Powder mMllurgy.
                 Just can be used 30--50 thousand-kilometre.
Valve Guide
Material: High Phosphor Cast Iron Alloy
             Its developed by Fabbrica Italiana Automobile Company and adopt formula 
             of valve guide from NanJing New Daily Automobile Company.
Function:1)High attrition endurance,
              2)High temperature endurance
              3)High erosion endurance.
              4)Can be used 150--300 thousand-kilometre
REMARKS: The normal valve seat is made by Powder Metallurgy.
                  Just can be used 30--50 thousand-kilometre.