# Wei Qiang

> Wei Qiang is a seed investor at String Capital backing Manufacturing and Solar. See 3 investments, check sizes, portfolio. Updated Aug 2026.

- Type: Angel Investor
- Fund: [String Capital](https://shizune.co/investors/profile/string-capital)
- Total investments: 3
- Last investment: Apr 2024
- Lead investor: 33%
- Last updated: Aug 2026

Wei Qiang is a seed investor at String Capital focused on Manufacturing and Solar. Wei Qiang is the founding partner of Kaixian Capital.

## Investment focus

### Industry

| Industry | Investments | Share |
| --- | --- | --- |
| Manufacturing | 3 | 100% |
| Solar | 1 | 33% |
| Energy | 1 | 33% |
| Battery | 1 | 33% |
| Chemical | 1 | 33% |

7 industries tracked in total.

### Stage

| Stage | Investments | Share |
| --- | --- | --- |
| Seed | 2 | 67% |
| Angel | 1 | 33% |

## Investments

| Company | Description | Amount | Stage | Date | Website |
| --- | --- | --- | --- | --- | --- |
| MyRuiJie | MyRuiJie provides semiconductor front coating and development equipment. |  | Seed | Apr 13, 2024 |  |
| Jiuyao Optoelectronics | Jiuyao Optoelectronics is a developer of trans-perovskite solar cells with an emphasis on perovskite material technologies. |  | Angel | Nov 24, 2023 |  |
| Qina New Energy | Qina New Energy specialized in the research, development, and production of composite sodium iron phosphate materials and their precursors. |  | Seed | Aug 16, 2023 |  |

3 of 3 investments shown.

## Co-investors
- [Chongqing Xinyi](https://shizune.co/investors/profile/chongqing-xinyi) — VC Fund, 1 deal together
- [Ding Xiang Capital](https://shizune.co/investors/profile/ding-xiang-capital) — VC Fund, 1 deal together
- [GF Xinde Investment Management](https://shizune.co/investors/profile/gf-xinde-investment-management) — VC Fund, 1 deal together
- [Guohua Capital](https://shizune.co/investors/profile/guohua-capital) — VC Fund, 1 deal together
- [ShengJing360](https://shizune.co/investors/profile/shengjing360) — VC Fund, 1 deal together
- [SZHTI Group](https://shizune.co/investors/profile/szhti-group) — VC Fund, 1 deal together

## About String Capital

VC Fund · Beijing, China

String Capital creates value for customers and shareholders through investment, asset management, and investment banking services.

1 contacts available at String Capital.

| Name | Title | Profile |
| --- | --- | --- |
| Wei Qiang | Founding Partner | https://shizune.co/investors/profile/wei-qiang-88b9 |

## Similar investors

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

## FAQ

### What does Wei Qiang invest in?

Wei Qiang invests primarily in Manufacturing, Solar and Energy startups, most often at Seed and Angel stage. Most of the 3 investments tracked by Shizune back companies in China. The Investment Focus section breaks down every industry, stage and country in the portfolio.

### When did Wei Qiang last invest?

The most recent investment recorded for Wei Qiang closed in Apr 2024. Shizune tracks 3 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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