全球超材料龙头：净利率40%，订单翻倍，产能告急！

Core Viewpoint - The article discusses the advancements in "metamaterials" technology by a Chinese tech company, which is transforming the concept of "electromagnetic invisibility" from science fiction into reality [3]. Group 1 - The technology of metamaterials is enabling the development of electromagnetic invisibility, which was previously considered a fantasy [3]. - The article draws a parallel between the technology and the fictional "invisibility cloak" from the Harry Potter series, highlighting the imaginative potential of such innovations [3].