# Tianjin Renai Capital

> Tianjin Renai Capital is a VC fund in Jinghai backing Biotechnology and Medical. See 15 investments, check sizes, portfolio. Updated Aug 2026.

- Type: VC Fund
- Location: Jinghai, China
- Total investments: 15
- Last investment: Jun 2026
- Lead investor: 33%
- Last updated: Aug 2026

Tianjin Renai Capital is an investment Firm.

## Round sizes

| Stage | Round size |
| --- | --- |
| Seed | $1.5M–$14M |
| Series A | $1.5M–$74M |

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Biotechnology | 4 | 27% |
| Medical | 3 | 20% |
| Health Care | 3 | 20% |
| Robotics | 2 | 13% |
| Manufacturing | 2 | 13% |

20 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 6 | 40% |
| Series A | 5 | 33% |
| Angel | 1 | 7% |
| Series B | 1 | 7% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| Optical Interconnect Technology | Optical Interconnect Technology is a pioneer in the domestic optical interconnect market, specializing in inter-chip optical interconnects for high-performance computing applications. | $73.9M | Series A | Jun 03, 2026 |  |
| Plastic New Technology | Suxin Technology focuses on the enzymatic depolymerization and recycling of post-consumer waste polyester textiles and other polymeric materials. |  | Series A | May 11, 2026 |  |
| KYinno | KYinno is a drug development company that is dedicated to oncology drug development with a focus on immune treatments against cancer. | $35.5M | Series B | Dec 15, 2025 |  |
| Aiyu Intelligence | Aiyu Intelligence builds intelligent legal agents powered by large language models to transform and modernize legal services. |  | Seed | Nov 12, 2025 |  |
| HurRain NanoTech | HurRain NanoTech is a new functional nanomaterials service provider for atmospheric water generation solutions. It developed a platform for material screening and amplification with functional composite moisture-absorbing interfacial thermal materials as the primary R&D direction, created a product line of atmospheric water generator devicesand interfacial thermal materials, and provided customers with standardized products and solutions. |  | Seed | Jun 17, 2025 |  |
| Yuantian Bio | Yuantian Bio is a biotechnology company specializing in enzymatic regeneration and commercial plastic PET applications. They have achieved low-cost fermentation preparation of over 10 enzyme preparations and large-scale biochemical product preparation. | $13.7M | Seed | Apr 16, 2025 |  |
| Qianjue Technology | Qianjue Technology is a company that created the first full-stack application-level robot model and offers cloud-based artificial intelligence solutions to robot manufacturers. |  | Seed | Jan 24, 2025 |  |
| Tianjin Hesheng Biotechnology | Hesheng Biotechnology is one of the major scientific and technological achievements transformation enterprises. The company gather the internationally leading synthetic biology research and development. |  | Seed | May 17, 2024 |  |
| Xushui Internet | Xushui Internet provides image equipment monitoring, operation, and maintenance cloud services, large-scale equipment IoT management system, digital integration services for hospital-wide equipment, and remote collaborative image inspection system. |  | Series A | Mar 19, 2024 |  |
| Daxiang Biotech | Daxiang Biotech develops and produces human organoid chips. It is committed to promoting organoid chips in new drug research and development, disease modeling, and individualization. |  | Series A | Jul 30, 2021 |  |

10 of 15 investments shown.

## Co-investors
- [Haitang Fund](https://shizune.co/investors/profile/haitang-fund) — VC Fund, 6 deals together
- [Shangshi Fund](https://shizune.co/investors/profile/shangshi-fund) — VC Fund, 6 deals together
- [Rianlon](https://shizune.co/investors/profile/rianlon) — VC Fund, 2 deals together
- [AC Accelerator](https://shizune.co/investors/profile/ac-accelerator) — VC Fund, 1 deal together
- [Beijing E-town International Investment & Development](https://shizune.co/investors/profile/beiid) — VC Fund, 1 deal together
- [Beijing Haisheng Group Corporation](https://shizune.co/investors/profile/beijing-haisheng-group-corporation) — VC Fund, 1 deal together

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## FAQ

### What does Tianjin Renai Capital invest in?

Tianjin Renai Capital invests primarily in Biotechnology, Medical and Health Care startups, most often at Seed and Series A stage. Most of the 15 investments tracked by Shizune back companies in China. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### What is Tianjin Renai Capital's check size?

Tianjin Renai Capital typically joins rounds of $1.5M–$14M at Seed and $1.5M–$74M 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 Tianjin Renai Capital participates in.

### When did Tianjin Renai Capital last invest?

The most recent investment recorded for Tianjin Renai Capital closed in Jun 2026. Shizune tracks 15 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.

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