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China's earliest tinned iron armor found in Zhejiang: 1,700-year-old anti-rust tech revealed_我的网站

A |     近期，海外数据统计网站Gamalytic公布了Steam平台中国游戏发行商累计收入榜单，本次共计33家国产发行商登上名单。头部厂商营收差距明显，网易游戏、蜗牛游戏、游戏科学包揽榜单前三，整体营收表现断层领先于其他上榜厂商。网易游戏以约12亿美元的累计收入稳居首位，也是榜单中营收体量唯一突破十亿美元的国产厂商。

B | 旗下Steam产品的稳定输出，是其登顶榜单的主要原因。

C |     

    A number of tinned iron armor plates excavated from the Jizhong site Photo: Courtesy of the Shaoxing Institute of Cultural Relics and ArchaeologyArchaeologists at the Jizhong ruins site in Shaoxing, East China's Zhejiang Province, recently unearthed a large number of tinned iron armor plates and semi-finished pieces dating to the Wu period of the Three Kingdoms (222-280), according to the Shaoxing Institute of Cultural Relics and Archaeology. These discoveries represent the earliest known tinned iron artifacts in China to date, as well as the earliest tinned iron production remains found anywhere in the world, proving that an organized, systematic craft industry for tin-plated ironwork existed at that time.
While China has a long history of making tinned bronze and tinware, there has long been a lack of reliable historical records or physical evidence to prove early local production of tinned iron artifacts. The newly discovered armor plates can fill this gap, demonstrating that, by no later than the Wu period, local craftspeople in Zhejiang Province had mastered the art of tin-plating iron surfaces. This reflects the region's advanced metallurgical skills at that time, Ge Shuaikun, a researcher at the Shaoxing Institute of Cultural Relics and Archaeology, told the Global Times on Tuesday.
Over the last three years, archaeologists working at the Jizhong ruins site have excavated hundreds of tinned iron armor plates from ancient wells and ash pits. A preliminary investigation confirmed that the surfaces of these plates contain high levels of tin. Subsequent laboratory analyses were conducted in collaboration with the Shaoxing's institute and the Institute for Cultural Heritage and History of Science & Technology at the University of Science and Technology Beijing with methods such as Scanning Electron Microscopy with Energy Dispersive Spectroscopy (SEM-EDS), X-ray Diffraction (XRD), and Micro-CT to deeply examine the samples' materials, structures, and technological traces.
    Photo: Courtesy of the Shaoxing Institute of Cultural Relics and ArchaeologyAccording to Ge, tin is a non-toxic metal with a low melting point, excellent corrosion resistance, and a silvery sheen. Tin plating effectively prevents rust, making iron armor far more durable and indeed, even after being buried for 1,700 years, many of these tinned plates retain their silvery metallic shine.
Research shows that the craftspeople immersed iron armor plates in molten tin, thus ensuring complete coverage of the surface with a continuous tinned layer. This coating isolated the iron from exposure to air and moisture, dramatically boosting corrosion resistance. Many of the excavated tinned armor pieces still show a clear, bright silver-white finish.
One major reason for tin-plating the armor was to prevent rust. At the same time, the silvery white shine of tinned iron offered a more striking, beautiful appearance, standing out from the typical dark iron armor of the era. This visual distinction may have marked these pieces as a higher-grade military asset, according to an article from the University of Science and Technology Beijing's official website.
The article said that in earlier eras, from the pre-Qin to Han dynasties, tin was widely used as a surface coating on bronzeware and ceramics. Researchers believe the tin-plating of iron armor discovered at the Jizhong ruins site during the Wu period of Three Kingdoms built upon this local tin-coating tradition, representing an adaptation of those techniques across different materials. The process likely benefited from technological exchange among various specialized workshops at the site, including those making bronze castings, iron weapons, and other metallurgical products.
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D | 后续上线的《漫威争锋》《燕云十六声》等不同品类产品，补齐了赛道布局，也印证了网易在多品类游戏开发与发行上的成熟工业化能力。蜗牛游戏以6.04亿美元累计收入位列第二名，营收高度依赖长线运营的经典作品《方舟：生存进化》。这款上线接近十年的生存类游戏，始终稳居Steam生存赛道头部梯队。凭借稳定的内容更新与跨平台运营策略，游戏全平台销量接近亿级，累计总收入突破10亿美元，超长生命周期的运营表现，为蜗牛游戏带来了持续且可观的营收收益。游戏科学以5.91亿美元的累计收入排在第三位，营收结构相对单一，成绩基本依靠《黑神话：悟空》单品支撑。这款国产3A作品上线后市场表现亮眼，发售首日Steam在线峰值突破222万，上线三天销量就突破千万份。随着持续的全球铺货，游戏目前全球销量已超3000万份，其中海外市场收入占据半数以上，成为国产单机游戏出海的代表性作品。这份榜单除了展现传统游戏大厂的统治力，也体现出国产中小厂商的崛起势头。

E | 库洛游戏、Gamirror Games、IndieArk等中小团队与厂商，分别凭借《鸣潮》《戴森球计划》《米塔》等差异化爆款产品成功上榜。不同体量、不同品类厂商同时登榜的局面，也反映出Steam平台国产游戏的发展变化。过往国产游戏出海多集中在单一品类，如今动作、生存、模拟经营、开放世界等多条赛道均有优质作品突围，整体题材与产品结构愈发多元。需要注意的是，本次榜单数据均为Gamalytic估算所得，仅作行业参考。你觉得未来国产厂商在Steam平台的营收格局会继续由大厂领跑，还是会有更多中小厂商凭爆款实现突围？欢迎在评论区留下你的看法~。

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