Chengdu Chaopure Applied Materials Co., a Sichuan-based supplier of core semiconductor equipment components, began trading on the Shenzhen Stock Exchange on Aug. 11 after pricing its A-share IPO at 65.99 yuan per share. The company sold 25.461539 million new shares, raising about 1.68 billion yuan in gross proceeds and about 1.557 billion yuan in net proceeds, above the 1.125 billion yuan target set out in its prospectus. On its first trading day, the stock opened at 450 yuan, up 581.92% from the offer price, and was quoted at 498 yuan at 10:20:39 a.m., representing a 654.66% gain and a market capitalization of 50.719 billion yuan. According to the prospectus cited in the original report, Chaopure plans to use the proceeds for an industrialization project for core optical components used in semiconductor equipment, a semiconductor materials and surface treatment project, a capacity expansion project at its Meishan base, headquarters and R&D center construction, and working capital. The company, founded in August 2005, focuses on special coating components for semiconductor equipment and precision optical devices. The report said it is among the few domestic suppliers of core components for etching equipment at 5 nm and below. The report also outlined the company’s ownership, financial performance from 2023 to 2025, customer and supplier concentration, and the roles of brothers Chai Jie and Chai Lin, who remain the key controlling shareholders after the listing.

TOTO said chip-related profit now accounts for more than half of group earnings, while semiconductor capex is set to rise from 11% of total spending to over half, driven by AI data center demand for advanced ceramics.

TOTO, a Japanese bathroom fixture maker, has seen its stock soar due to its semiconductor precision ceramics business benefiting from AI demand. Nittobo and Ajinomoto are similarly positioned as hidden players in the AI supply chain. Meanwhile, China's A-share market is experiencing domestic substitution and supply-demand gaps, creating new growth opportunities. This report reveals the unsung heroes of the AI boom.

在 AI 需求爆发背景下，东陶（TOTO）凭借半导体精密陶瓷业务实现股价大涨，尽管其传统卫浴业务仍是基本盘，但半导体陶瓷贡献了大部分利润。类似情况也发生在 Nittobo（日本硝子）和味之素（Ajinomoto）等公司，它们在 AI 供应链中占据关键位置。A 股市场同样经历着国产替代和供需缺口带来的增长机会，投资者可关注这些“隐秘”的 AI 赢家。

Driven by the AI boom, stocks of Asian chip giants TSMC, Samsung, and SK Hynix have surged, pushing stock markets in South Korea, Taiwan, and Japan to record highs and enriching ordinary investors. From a 24-year-old Korean programmer to a Taiwanese insurance agent and a Japanese worker, consumption habits and lifestyles have changed. This article details the wealth effect of the AI gold rush on everyday East Asians through concrete stories and data.

The global AI boom has ignited a semiconductor-driven stock rally across East Asia, with TSMC, Samsung, and SK Hynix reaching new heights. Ordinary investors—from Seoul programmers to Taipei insurance agents—have poured billions into stocks, reshaping their financial futures. This article tells the stories behind the numbers.