# Sinowin

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

- Industry: Materials
- Headquarters: Hebi, China
- Website: www.sinowinfiber.com/
- Latest round: Series B (Jun 16, 2025)
- Investors on record: 5

## About

Founded in 2015 and based in Hebi, China, Sinowin Chemical FIBER Co., Ltd, trading under the name Sinowin, is a materials company that focuses on the research and development of nylon 66 automotive airbag wire. As of 2023, the company has passed ISO 9001:2015 and OEKO-TEX 100 certifications, etc. In June 2025, Sinowin raised an undisclosed amount of series B funding from new investors Shang Qi Capital, Hengxu Capital, China National Building Materials Private Equity Fund Management (Beijing), and Winreal Investment. In October 2025, the company began trading on the NEEQ under the ticker 874915.

The company’s main products include nylon 66 high-strength FDY filament, nylon 66 colored yarn, nylon 66 functional yarn, nylon industrial staple fiber and modified engineering plastics. The company also produces high-temperature, transparent and weather-resistant nylon, as well as co-polymer semi-aromatic nylon and long-chain co-polymer nylon.

The company generates revenue primarily through the sale of nylon 66 fibers and modified engineering plastics.

Sinowin plans to accelerate the construction base in the Henan Specialty Nylon Industrial Park, aimed at developing an integrated industrial chain for high-performance nylon materials.

## Funding rounds

- Series B, Jun 16, 2025 — Winreal Investment, Hengxu Capital, Shang Qi Capital, China National Building Materials Private Equity Fund Management (Beijing)
- Angel, Jul 5, 2020 — Zhongyuan Lianchuang Fund

## Investors

- Zhongyuan Lianchuang Fund (https://capitalatlas.ai/funds/zhongyuan-lianchuang-fund) — Angel
- Winreal Investment (https://capitalatlas.ai/funds/winreal-investment) — Series B
- Hengxu Capital (https://capitalatlas.ai/funds/hengxu-capital) — Series B
- Shang Qi Capital (https://capitalatlas.ai/funds/shang-qi-capital) — Series B
- China National Building Materials Private Equity Fund Management (Beijing) (https://capitalatlas.ai/funds/china-national-building-materials-private-equity-fund-manage) — Series B