# CAStar Foods

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/castar-foods

- Industry: Biotechnology
- Headquarters: Beijing, China
- Website: www.castarunion.com
- Latest round: Series B (Dec 1, 2025)
- Investors on record: 2

## About

Based in Beijing, China and founded in 2021, Beijing CAStar Foods Technology Co., Ltd., dba CAStar Foods, focuses on research and development of “biosynthetic milk protein” technology and related functional proteins. The company applies core fermentation protein technologies to overcome key challenges in the broader health and alternative protein fields. The company offers biosynthetic protein solutions developed through microbial fermentation techniques, targeting applications in health, nutrition, and alternative protein markets. Its technologies are designed to support innovation and commercialization of functional human proteins in industrial and health applications. The company generates revenue from the licensing and provision of biosynthetic protein technologies and related development services.
In January 2026, CAStar Foods raised CNY 100 million in Series A+ funding.

## Funding rounds

- Series B, Dec 1, 2025 — Changzhou Gaoxintou Venture, Zhuiguang Hard Technology

## Investors

- Changzhou Gaoxintou Venture (https://capitalatlas.ai/funds/changzhou-gaoxintou-venture) — Series B
- Zhuiguang Hard Technology — Series B