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Sizone Technology
Semiconductor chemical mechanical planarization equipment solutions
About Sizone Technology
Sizone Technology, officially Hangzhou Sizone Electronic Technology Inc., is a developer and manufacturer of advanced Chemical Mechanical Planarization (CMP) equipment for the semiconductor industry. The company was founded in 2018 in Hangzhou, China, by experts from Silicon Valley with extensive experience in the semiconductor equipment field. Dr. GU, Haiyang serves as the company's Chairman.
Sizone Technology focuses on the research, development, production, and sales of integrated circuit intelligent equipment. Its core products are CMP and Electrochemical Mechanical Polishing (ECMP) equipment, available in various sizes (6-inch, 8-inch, and 12-inch) to meet different manufacturing needs. These products are crucial for integrated circuit manufacturing, silicon wafer production, and third-generation semiconductor manufacturing. The company also provides related products like dual module systems, slurry delivery systems, and slurry distribution devices, alongside technical support and services.
The company's business model is centered on generating revenue through the sale of its specialized semiconductor manufacturing equipment. It serves chip makers and other high-tech fields. Since its inception, Sizone has secured significant funding through multiple venture capital rounds, attracting at least 17 investors, including An Hui Wenergy Company, Fortune Capital, and Zhongxin Fund. The company is privately held and venture capital-backed, with a recent Series B1 funding round completed in February 2025.
Source: Dealroom company dataKnowledge graph
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Funding history
Company financing events and reported valuations.
| Deal type | Date | Amount | Valuation | Investors | Source |
|---|---|---|---|---|---|
| ACQUISITION✓Exit | Jul 2026 | $217M | $217M | AMEC | ↗ |
| LATE VCEquity / VC | Dec 2021 | $28M | $110M | Everest Venture Capital · Suzhou International Development Venture Capital Holding · Yida China Holdings · Shanghai Baoding Investment | ↗ |
Financials
Revenue, earnings and other financial measures where available. Years marked “E” are estimates.
Growth signals
Latest recorded traffic for Sizone Technology is 120 monthly website visits, down 66.7% over the last three months. Sizone Technology's team declined 6.3% over the past year.
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Investments and acquisitions
Recent portfolio relationships for companies that also act as investors or acquirers.
Investors
From Dealroom's funding and investor records, grouped by the round each investor first entered.
Series B and later5 investors entered at this stage
Everest Venture Capital
Suzhou International Development Venture Capital Holding- YHYida China Holdings
- SIShanghai Baoding Investment
- NGNingbo Industrial Investment Group
Other known investors1 additional known investor
AMEC
Source: Dealroom Talent Intelligence.
Global footprint
team presence
Market sentiment
An AI-synthesised read of the highest-engagement posts about Sizone Technology 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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