# 4399 Network

> 4399 Network is a VC fund in Xiamen backing Toys and Robotics. See 4 investments, round sizes, portfolio and contact details. Updated Oct 2026.

- Type: VC Fund
- Location: Xiamen, China
- Total investments: 4
- Last investment: Sep 2026
- Lead investor: 0%
- Last updated: Oct 2026
- Website: http://www.4399.com

4399 Network is a VC fund in Xiamen focused on Toys and Robotics. 4399 Network offers online game services.

## Contacts

5 contacts available for 4399 Network. Shizune tracks 3 team members at 4399 Network. Sign up free to unlock them: https://app.shizune.co/sign-up/investor-profiles/find-team-emails/4399-network?utm_source=investor_profile

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Toys | 1 | 25% |
| Robotics | 1 | 25% |
| Video Games | 1 | 25% |
| 3D Technology | 1 | 25% |
| Manufacturing | 1 | 25% |

6 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 1 | 25% |
| Series A | 1 | 25% |
| Series B | 1 | 25% |
| Non-equity Assistance | 1 | 25% |

### Country

| Country | Investments | Share |
| --- | --- | --- |
| China | 1 | 25% |
| United Kingdom | 1 | 25% |

## Team

| Name | Title | Investments | Profile |
| --- | --- | --- | --- |
| HaiJian Luo | Co-Founder, General Manager | 0 | — |
| XingPing Li | Co-Founder | 0 | — |
| ZiFan Zheng | Founder | 0 | — |

## Investments

| Company | Description | Round size | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| VAST | VAST is an artificial intelligence business that develops and manufactures general-purpose 3D big models. Its goal is to develop a popular 3D content production tool, a 3D user-generated content platform, and utilize 3D space to enhance user experience. | $446.4M | Series B | Sep 01, 2026 |  |
| VAST | VAST is an artificial intelligence business that develops and manufactures general-purpose 3D big models. Its goal is to develop a popular 3D content production tool, a 3D user-generated content platform, and utilize 3D space to enhance user experience. | $147.3M | Series A | Jul 02, 2026 |  |
| Chengdu RainZhiLingdong Technology | Chengdu RainZhiLingdong Technology is a robotics company that offers an AI powered bionic plush pet toy. |  | Seed | May 12, 2026 |  |
| Gravity Software | Gravity Software is a game development studio focused on creating innovative and immersive experiences. The studio develops original titles and offers full-service game development for partners, covering concept design, development, testing, and post-launch support. With expertise across multiple platforms, including PC, console, and mobile,Gravity Software works in various genres to deliver high-quality games.The studio also collaborates with external clients to bring their game projects to life, tailoring its approach to meet the specific needs of each project. Blue Gravity Studios is committed to delivering engaging content that appeals to global audiences and continues to expand its presence in the gaming industry. | $300K | Non-equity Assistance | May 12, 2022 | https://gravitysoft.com |

4 of 4 investments shown.

## Co-investors
- [INCE Capital](https://shizune.co/investors/profile/ince-capital) — VC Fund, 2 deals together
- Muhua Technology — VC Fund, 2 deals together
- [Tsinghua Holdings Capital](https://shizune.co/investors/profile/tsinghua-holdings-capital) — VC Fund, 2 deals together
- [37 Interactive Entertainment](https://shizune.co/investors/profile/37-interactive-entertainment) — VC Fund, 1 deal together
- [3H Health Investment](https://shizune.co/investors/profile/3h-health-investment) — VC Fund, 1 deal together
- [Addor Capital](https://shizune.co/investors/profile/addor-capital) — VC Fund, 1 deal together

## Similar investors

### Similar stage
- [Antler](https://shizune.co/investors/profile/antler-be9c) — VC Fund
- [Right Side Capital Management](https://shizune.co/investors/profile/right-side-capital-management) — VC Fund
- [Alumni Ventures](https://shizune.co/investors/profile/alumni-ventures-group) — VC Fund

## FAQ

### What does 4399 Network invest in?

4399 Network invests primarily in Toys, Robotics and Video Games startups, most often at Seed and Series A 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.

### How do I contact 4399 Network?

Public channels for 4399 Network include the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.

### Who are the partners at 4399 Network?

The team at 4399 Network includes HaiJian Luo (Co-Founder, General Manager), XingPing Li (Co-Founder) and ZiFan Zheng (Founder). The Team section lists each member with their title, investment count and links.

### 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 Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.

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