The valves have a wide range of uses and various types, and the difficulty of valve classification is also increasing.
A casting is a metal-formed object obtained by various casting methods, that is, an object with certain shape
Forging refers to the workpiece or blank obtained by forging and deforming the metal blank.
The valve is a pipeline accessory used to open and close the pipeline, control the flow direction, adjust and control the parameters (temperature, pressure and flow) of the transmission medium.
Quality related to forging process and tooling design - design quality (rationality of forging design).
