We have many years experience in manufacturing various valve parts with forging process according to customer's drawings or samples,material include The A105, F22, F304, F316, F304L, F316L, F11, F5, F44, F321, F51, F53, and so on,weight from 0.1kg-50kg,the biggest press we have is 2500ton,smallest one is 400ton,moreover we have 3 heat treatment production lines,and we can do inpect chemical compostion,mechanical propertities,magnetic particle inspection,ultrasonic testing and some other request which you need,welcome you to contact with us,thanks!