... flexible valve body 3
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ductile iron casting upper and lower valve body2 supply flexible ... : resin sand and green sand2.Material: gray
iron casting,
ductile iron casting,
iron casting,carbon steel casting,white steel casting,steel ... Process:die forging and free forging2.Material:gray
iron forging,
ductile iron forging,
iron forging,carbon steel forging,white steel forging, ...