piercing mandrel for the production of seamless steel tube. special components for piercing seamless steel tube, such as stainless steel, rock drill steel, high-temperature alloy steel and molybdenum.
xiamen honglu’s strength:
new tzcr molybdenum alloy piercing mandrel, featuring in fine and uniform grain size, high temperature strength and stable cold and hot fatigue resistance.
86-592-6298216
