---
title: "Keystone Technology: Currently not involved in the manufacturing of electron beam lithography equipment"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/253185143.md"
description: "According to the announcement from Keystone Technology regarding stock price fluctuations, the company has conducted a self-examination and noted that the market has included the company in the hot concept related to lithography equipment. Currently, the company is only involved in the manufacturing of photomasks and does not engage in the manufacturing of electron beam lithography equipment. In the first half of 2025, the revenue from the photomask manufacturing project will account for less than 2% of the company's operating income, which is a very small proportion and does not constitute a significant impact on the company's main business"
datetime: "2025-08-15T09:51:03.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/253185143.md)
  - [en](https://longbridge.com/en/news/253185143.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/253185143.md)
---

# Keystone Technology: Currently not involved in the manufacturing of electron beam lithography equipment

According to the announcement from Keystone Technology (605588.SH) regarding stock price fluctuations, the company has conducted a self-examination and noted that the market has included the company in the hot concept related to lithography equipment. Currently, the company is only involved in the manufacturing of photomasks and does not engage in the manufacturing of electron beam lithography equipment. In the first half of 2025, the revenue from the photomask manufacturing project will account for less than 2% of the company's operating income, which is a very small proportion and will not have a significant impact on the company's main business

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