According to the material of water tanks, there's two types of radiators: Plastic radiators and All aluminum radiators. Both core and water tanks of all aluminum radiator are made of aluminum. All aluminum radiator is better than plastic radiator in heat dissipation. And it’s more inexpensive than cooper radiator. Besides it can be used in auto cars, heavy-duty and racing cars. U&C can make all aluminum radiator according to your drawing, sample or OEM numbers. So pls don’t hesitate to contact me if you have any worry about plastic radiators, all aluminum radiators or cooper radiators.