Our cylinder heads have various types, such as 1 cylinder, 2 cylinder, 3 cylinder, 4cylinder, 5cylinder, 6cylinder head, 7cylinder and v8. Material has both casting aluminum and iron. Our annual products are 1000, 000pcs, and600, 000pcs are supplied to the domestic OEM. We have 50 types of cylinder heads supplied to the after-sale market all over the world, and the annual sales are 100, 000pcs, currently, we have 30 types of american models that were invested by our customers with tooling cost, so these products were exclusively sold to them. Meanwhile, we can develp new products according to your sample or 3-D mould math. We hope that we will have an opportunity to cooperate.