# Thinkre

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/thinkre

- Industry: Materials
- Headquarters: Suzhou, China
- Website: www.bestpem.com
- Total disclosed funding: $111M
- Latest round: Series C (Aug 3, 2024)
- Investors on record: 15

## About

Established in 2019 and based in Suzhou, China, Thinkre is a perfluorinated ion membrane and proton exchange membrane developer, headquartered in Wujiang District, Suzhou, China, with a production base in Huai'an. Founded by Dr. David Yang, the company has been awarded a series of honours such as National High-Tech Enterprise, National Specialized and Special "Small Giant" Enterprise, and has undertaken many provincial government projects. It has been cooperating with Chinese Academy of Sciences and Xiamen University for a long time, and has acquired more than 40 patents on perfluorinated ion membrane technology. In October 2025, Thinkre raised approximately CNY 120 million in series C++ funding led by returning investor BAIC Capital, with participation from new investors Zheshang Venture Capital, Shenzhen Great Wall Changfu, Yinlian Innovation Investment Fund Management (Beijing), Myrtus Capital, Peakvest Investment, InvesTarget Capital and other investors.
The company mainly develops and produces perfluorinated ionic membranes and proton exchange membranes, including perfluorosulfonic acid proton membranes, a core material for vanadium liquid flow energy storage batteries and hydrogen fuel cells. Other products include PVDF hollow fibre membranes, perfluorosulfonic acid ion exchange resins, polyvinylidene fluoride ultrafiltration membrane modules for industrial use, wastewater treatment equipment; and ultrafiltration water purifiers for household use.

The company generates revenue by offering perfluorinated ionic membranes and proton exchange membranes.

## Funding rounds

- Series C, Aug 3, 2024, $56M — Bridge Capital, CCB Investment Funds Management, Sinopec Capital, Fenghe Capital
- Series C, Apr 13, 2024, $19M — Bridge Capital, CCB Investment Funds Management
- Series C, Jan 30, 2023, $35M — Hong Shan, Genertec Investment Fund, Bridge Capital, BAIC Capital, Roton Capital, Weishi Energy Technology Co., Ltd., Qianhai Sihai New Material Capital, Yutong Bus, Ying Ding Investment Management
- Series A, Apr 10, 2019 — Wujiang Dongyun Venture Capital, Roton Capital, Wujiang Linhu Venture Capital, Huaian Elites Capital

## Investors

- Wujiang Dongyun Venture Capital — Series A
- Roton Capital (https://capitalatlas.ai/funds/roton-capital) — Series A, Series C
- Wujiang Linhu Venture Capital — Series A
- Huaian Elites Capital (https://capitalatlas.ai/funds/huaian-elites-capital) — Series A
- Hong Shan — Series C
- Genertec Investment Fund (https://capitalatlas.ai/funds/genertec-investment-fund) — Series C
- Bridge Capital (https://capitalatlas.ai/funds/bridge-capital) — Series C
- BAIC Capital (https://capitalatlas.ai/funds/baic-capital) — Series C
- Weishi Energy Technology Co., Ltd. — Series C
- Qianhai Sihai New Material Capital (https://capitalatlas.ai/funds/qianhai-sihai-new-material-capital) — Series C
- Yutong Bus — Series C
- Ying Ding Investment Management — Series C
- CCB Investment Funds Management (https://capitalatlas.ai/funds/ccb-investment-funds-management) — Series C
- Sinopec Capital — Series C
- Fenghe Capital — Series C