# Cheyitian

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/cheyitian

- Headquarters: Shanghai, China
- Website: www.cheyitian.com/
- Latest round: Series A (Sep 23, 2024)
- Investors on record: 4

## About

Founded in 2022 and headquartered in Shanghai, China, Shanghai Cheyitian Technology Ltd., trading as Cheyitian, operates in the semiconductor sector, providing specialized technology and solutions. In December 2025, Cheyitian raised a series A+ funding from new investors Nantong Ruidiao Emerging Industry Investment and Shentong Valve.

The company’s core product offerings include the RTC in-situ measurement system, gas detectors, RGA residual gas analyzers, heating jackets, and etch endpoint detection systems (IEP and LEP). These products facilitate real-time analysis and control during critical semiconductor manufacturing processes, addressing challenges in plasma spectrum analysis, temperature measurement, and gas and liquid concentration analysis. The technology has been integrated into various stages of semiconductor chip manufacturing, including etching, thin-film deposition, thermal treatment, and cleaning processes. 

The company's revenue is generated by selling the RTC in-situ measurement system, gas detectors, RGA residual gas analyzers, heating jackets, and etch endpoint detection systems (IEP and LEP).

## Funding rounds

- Series A, Sep 23, 2024 — Linchuang Capital, Lingang Digital Technology Fund, Tongchuang Purun Capital
- Angel, Aug 19, 2022 — Nuohua Capital

## Investors

- Nuohua Capital (https://capitalatlas.ai/funds/nuohua-capital) — Angel
- Linchuang Capital (https://capitalatlas.ai/funds/linchuang-capital) — Series A
- Lingang Digital Technology Fund (https://capitalatlas.ai/funds/lingang-digital-technology-fund) — Series A
- Tongchuang Purun Capital (https://capitalatlas.ai/funds/tongchuang-purun-capital) — Series A