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Shanghai Start-up Langdao Silex Unveils Prototype EUV Light-Source System at China International Industry Fair

ai-technology · 2026-10-15

At the China International Industry Fair in Shanghai, Langdao Silex, a start-up based in the city, unveiled its own extreme ultraviolet (EUV) light-source system, marking a significant milestone in Beijing's efforts to achieve semiconductor independence. A report from Jiefang Daily, released on Tuesday, indicated that a representative from the company stated that 90% of the machine's components were sourced locally, with most core elements developed internally. This prototype is referred to as the "heart" of EUV lithography, which is essential for advanced chip manufacturing. The presentation occurred during the China International Industry Fair in Shanghai.

Key facts

  • Langdao Silex is based in Shanghai.
  • The company displayed a self-developed EUV light-source system.
  • The display took place at the China International Industry Fair in Shanghai.
  • Ninety per cent of the machine's components were localised, per a company representative.
  • The vast majority of core parts were developed in-house, the representative said.
  • The report was published by Chinese news outlet Jiefang Daily on Tuesday.
  • The prototype is described as the "heart" of EUV lithography.
  • The development marks a crucial step in Beijing's chip self-reliance drive.

Entities

Institutions

  • Langdao Silex
  • Jiefang Daily
  • China International Industry Fair

Locations

  • Shanghai
  • China

Sources