1. Products information: 

Valve Seat

Material: High Chrome Molybdenum Cast Iron Alloy.

             Its the advanced technology introduced from United Kingdom 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 kilometers

REMARKS: The normal valve seat is made by Powder metallurgy .

                 Just can be used 30--50 thousand-kilometers.

Valve Guide

Material: High Phosphor Cast Iron Alloy

             Its developed by Italian FIAT 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-kilometers.

REMARKS: The normal valve seat is made by Powder metallurgy.

           Just can be used 30--50 thousand-