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In modern industry, impellers are playing an important role as key components for power transmission and fluid delivery. The performance of impeller castings for water pumps, fans, and compressors directly determines the operating efficiency and service life of the entire equipment. 1. What is an impeller casting: Impeller castings are rotating parts manufactured by high-precision casting processes, usually used for liquid or gas conveying equipment. Its complex geometric structure and strict material requirements make it one of the high-end products