cylinder headcylinder coverengine blockSIMIS Engine cylinder block and head branch plant has many years of experiences to produce engine cylinder block and cylinder head, cylinder cover for truck, construction machinery, farm machinery and car. All of our engine cylinder head and engine block are made for auto aftermarket. The material of these engine cylinder block and cylinder head is grey cast iron (HT150, HT200 and HT250). It can produce gasoline engine block and diesel engine block and head.