# Caitong Innovation > Caitong Innovation is a VC fund in Shanghai backing Sensor, Big Data and Clean Energy. See 4 investments, check sizes, portfolio. Updated Aug 2026. - Type: VC Fund - Location: Shanghai, China - Total investments: 4 - Last investment: Apr 2024 - Lead investor: 25% - Last updated: Aug 2026 - Website: http://caitongcx.com/page29 Caitong Innovation is a VC fund in Shanghai focused on Sensor and Big Data. Caitong Innovation focuses on equity investment in scientific and technological innovation highlands, intelligent manufacturing, information technology, and healthcare. ## Round sizes | Stage | Round size | | --- | --- | | Series A | $2.8M–$14M | ## Investment focus ### Industry | Industry | Investments | Share | | --- | --- | --- | | Sensor | 1 | 25% | | Big Data | 1 | 25% | | Clean Energy | 1 | 25% | | Life Science | 1 | 25% | | Biotechnology | 1 | 25% | 11 industries tracked in total. ### Stage | Stage | Investments | Share | | --- | --- | --- | | Series A | 3 | 75% | | Venture - Series Unknown | 1 | 25% | ## Investments | Company | Description | Amount | Stage | Date | Website | | --- | --- | --- | --- | --- | --- | | Aoshi Environmental | Aoshi Environmental specializes in high-performance reverse osmosis and nanofiltration membrane separation, the company offers products for various industries, including drinking water, food, and pharmaceuticals. | $13.8M | Series A | Apr 03, 2024 | | | Guanan Information | Guanan Information is a technology-driven enterprise that provides big data and pan-security services. It focuses on core directions such as data security, cyberspace security, 5G security, artificial intelligence security, industrial Internet security, and public security. Guanan Information also provides information security solutions foroperators, government, finance, electric power, public security, military, medical and other industries. | $44.2M | Venture - Series Unknown | Feb 06, 2023 | | | Jingrui Electronics | Jingrui Electronic Technology engages in the research and development, production, and sale of semiconductor silicon wafers. They cut and grind electronic-grade semiconductor materials. Their products include polished silicon wafers, buried layer epitaxy in the device of processing, and epitaxy in the power device. | | Series A | Feb 23, 2022 | | | Rocker Stone | Rocker Stone is a manufacturer and developer of oxygen sensors. | $2.8M | Series A | Sep 04, 2019 | | 4 of 4 investments shown. ## Co-investors - [Caitong Capital](https://shizune.co/investors/profile/caitong-capital) — VC Fund, 1 deal together - [Changpei Capital](https://shizune.co/investors/profile/changpei-capital) — VC Fund, 1 deal together - [Changxing Financial Holdings](https://shizune.co/investors/profile/changxing-financial-holdings) — VC Fund, 1 deal together - [China Development Bank Capital](https://shizune.co/investors/profile/china-development-bank-capital) — VC Fund, 1 deal together - [Chuangdong Investment Consulting](https://shizune.co/investors/profile/chuangdong-investment-consulting) — VC Fund, 1 deal together - [Digital China Investment](https://shizune.co/investors/profile/digital-china-investment) — VC Fund, 1 deal together ## Similar investors ### Similar industry - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Breakthrough Energy Ventures](https://shizune.co/investors/profile/breakthrough-energy-ventures) — VC Fund - [Shell Ventures](https://shizune.co/investors/profile/shell-technology-ventures) — VC Fund ### Similar stage - [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund - [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund - [General Catalyst](https://shizune.co/investors/profile/general-catalyst-partners) — VC Fund ### Similar country - [IDG Capital](https://shizune.co/investors/profile/idg-capital-partners) — VC Fund - [Qiming Venture Partners](https://shizune.co/investors/profile/qiming-venture-partners) — VC Fund - [HSG](https://shizune.co/investors/profile/sequoia-capital-china) — VC Fund ## Featured in investor lists - [Clean Energy Investors in Asia](https://shizune.co/investors/clean-energy-investors-asia) - [Clean Energy VC Funds in Asia](https://shizune.co/investors/clean-energy-vc-funds-asia) - [Clean Energy Investors in China](https://shizune.co/investors/clean-energy-investors-china) - [Clean Energy VC Funds in China](https://shizune.co/investors/clean-energy-vc-funds-china) - [Life Science Investors in China](https://shizune.co/investors/life-science-investors-china) - [Life Science VC Funds in China](https://shizune.co/investors/life-science-vc-funds-china) ## FAQ ### What does Caitong Innovation invest in? Caitong Innovation invests primarily in Sensor, Big Data and Clean Energy startups, most often at Series A and Venture - Series Unknown stage. Most of the 4 investments tracked by Shizune back companies in China. The Investment Focus section breaks down every industry, stage and country in the portfolio. ### What is Caitong Innovation's check size? Caitong Innovation typically joins rounds of $2.8M–$14M at Series A. These ranges are 10th–90th percentile round sizes calculated from confirmed public funding rounds, so they are a realistic guide to the rounds Caitong Innovation participates in. ### When did Caitong Innovation last invest? The most recent investment recorded for Caitong Innovation closed in Apr 2024. Shizune tracks 4 investments in total for this profile, including round sizes, stages and portfolio companies, all sourced from confirmed public funding rounds and refreshed monthly. ### Is Shizune's investor data accurate? Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Aug 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page. # About Shizune Shizune.co is an investor database. Core features: - 48,091 startup investors (angels, VCs, accelerators, and others) - Email, phone, LinkedIn (for intros), socials, and other contact data - Updated daily from public funding news - CSV and Excel export The User can access the full database FOR FREE after signing up: shizune.co