Yuming Xie

Composite surface combustion chamber cylinder head and gasoline engine thereof

Rapid heat dissipation cylinder head and gasoline engine employing same

Cylinder head of spherical combustion chamber and gasoline engine thereof

Universal high-efficiency low-emission cylinder head of petrol engine and petrol engine

Composite spherical combustion chamber cylinder head for gasoline engine and gasoline engine

Gasoline engine valve driving device and gasoline engine thereof

Low-resistant intake and exhaust cylinder head and gasoline engine thereof

Gasoline engine and air-cooled spark plug cylinder head thereof

Mini-universal petrol engine cylinder head and petrol engine thereof

Cylinder head of small-sized general-purpose gasoline engine and gasoline engine having the same