An array of powder-metal parts. Powder metallurgy was practiced long before ancient artisans learned to melt and cast iron. Egyptians made iron tools using PM techniques back in 3,000 B.C. The ancient ...
FUJIAN, FUJIAN, CHINA, March 30, 2026 /EINPresswire.com/ — By enabling 25-nanometer precision, pure physical separation, and three-in-one automation, Xiamen Citius ...
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