Street Address: Nanhuan
City: Quanzhou
Province: Fujian
Country/Region: China
Chaochai
Valve Seat & Guide For Isuzu 4JA1 High chrome molybdenum alloy cast iron is the worlds advanced formula which is the Shanghai Internal-combustion engine research institute introduced from Ricardo Internal-combustion engine research institute and material has advantages of high temperature resistance,high erosion resistance and highimpact resistance.The normal useful life is about 150 ~300 thousand kilometers. High phosphorus alloy cast iron is specified by the Nanjing lveco Company and is also the worlds advanced formula which is developed by the Italian FLAT Company. This kind of material is of high temperature endurance,erosion endurance ,abrasion proof characters,even though under the lubrication worse condition ,also well abrasion proof and lubrication etc. After 300 hours destructive without any rest trial. The performance still reach the best effect of valve guide. The normal useful life is about 150-300 thousand kilometers which is many times longer than the PM.