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flag China successfully 3D printed metal in space, marking a major step in in-orbit manufacturing.

flag China has successfully completed its first metal 3D printing experiment in space, marking a major leap in in-orbit manufacturing. flag The test, conducted by a retrievable payload from the Chinese Academy of Sciences, launched aboard the Lihong-1 Y1 suborbital vehicle from Jiuquan on January 12. flag After reaching about 120 kilometers altitude—above the Kármán line—the payload autonomously fabricated metal components in microgravity, overcoming key challenges like material transport and closed-loop control. flag The capsule returned safely via parachute, enabling scientists to analyze melt pool dynamics, material behavior, and part quality. flag This milestone transitions China’s space metal printing from ground research to in-space engineering validation. flag The reusable Lihong-1 Y1 also carried rose seeds for agricultural research and is being upgraded for crewed missions and space tourism with life-support and escape systems.

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