# Countstar (Ruiyu)

Source: https://en.bioecon.ru/companies/countstar/
Updated: 2026-08-11

- Country: China

## Verifiable facts

| Fact | Value | Source |
| --- | --- | --- |
| Funding | No external financing reported; registered capital is 5 million RMB | https://pitchhub.36kr.com/project/2012737801061893, https://www.tianyancha.com/company/676236196 |
| Capacity | 4 production lines; factory size 10,000-30,000 square meters [medium confidence] | https://www.exporthub.com/shanghai-ruiyu-biotech/ |
| Certification | Includes National High-Tech Enterprise, Specialized and Sophisticated Little Giant enterprise, and Intellectual Property Management System certification | https://www.countstar.cn/about.php, https://www.tianyancha.com/company/676236196 |
| Regulatory approval | Software compliant with FDA 21 CFR Part 11 regulations | https://www.countstar.cn/productshow.php?id=2, https://www.countstar.com/products/mira-fl |
| Production site | Shanghai (Songjiang District) | https://www.countstar.cn/about.php, https://www.tianyancha.com/company/676236196 |
| Headcount | 50-99 people (92 insured employees as of 2024) | https://www.tianyancha.com/company/676236196 |

Independent sources: exporthub.com, pitchhub.36kr.com, tianyancha.com

## Technologies

- [Cell counters and viability systems](https://en.bioecon.ru/technology/cell-counters-viability-systems/)