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Chemsemi

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Pioneering post-Moore era with specialized mass customization in foundry services and advanced RF filter technology

Yangzhou, ChinaFounded 2020Semiconductors
Valuation $1–2.5B Last recorded · 2025
Headcount <100 Current team size
Total funding $100–500M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Chemsemi and the history behind them.

About Chemsemi

Chemsemi operates at the forefront of semiconductor technology, specializing in foundry services that enable highly customized mass production. The company is a key player in the post-Moore era, focusing on advanced technologies such as hetero junction bipolar transistors and RF filters. Chemsemi serves a diverse range of clients, including those in telecommunications and advanced electronics, who require reliable and high-performance semiconductor solutions. The business model revolves around providing specialized manufacturing services that cater to the unique needs of each client, ensuring both scalability and customization. Revenue is generated through service contracts and long-term partnerships with clients who demand cutting-edge semiconductor technology.

Source: Dealroom company data

At a glance

Founded
2020
Headquarters
Yangzhou, China
Sector
Semiconductors
Power Law
Unicorn$1–10B valuation tier

Investors

7 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A6 investors entered at this stage

  • TF Capital
  • China Internet Investment Fund
  • Summitview Capital
  • Huaxing Alpha
  • QUICK
  • Guojing Capital

Series B and later1 investor entered at this stage

  • Guojing Capital
Team profiled 1 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
1 countries with
team presence
🇨🇳 China100%
1 country shown

Patents

Estimated portfolio value
$3M

196 active patent families included in this estimate.

A patent family groups patent filings for the same invention. Source: Dealroom · PatSnap.

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Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Chemsemi on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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