# TopOlefin Technology

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/topolefin-technology

- Industry: Materials
- Headquarters: Quzhou, China
- Website: www.topolefin.com
- Total disclosed funding: $139M
- Latest round: Series B (Jul 21, 2023)
- Investors on record: 12

## About

Founded in 2020 and based in Quzhou, China, TopOlefin Technology (Quzhou) Co., Ltd., doing business as TopOlefin Technology, is a company that focuses on the research and development of optical resin materials. The company has obtained the national technology-based small and medium-sized enterprise certification, and its founding team members are all from the world's leading chemical giants, with the core management team members are from investment banks, IPO service agencies, listed companies and other well-known enterprises and institutions in the industry. In January 2026, the firm closed a round of venture funding.

The company's main products include SOOC (Cycloolefin Copolymer), TOPC (Optical Grade Carbonate Copolymer), TOPM (Optical Grade Acrylic Copolymer) and HPMP (Methylpentene Polymer). Its products are used in optical lenses, medical packaging, flexible films, consumer goods packaging and other fields.

The company generates revenue from the sales of special materials to enterprise clients.

## Funding rounds

- Series B, Jul 21, 2023, $139M — FG Venture, Raystone Capital, Shang Finance, Kingray Capital, Xin'an Capital, Sino Blue Venture Capital, LBT Group, Huayan Capital
- Series A, Mar 29, 2022 — HighLight Capital, BioTrack Capital, CETC Fund, LBT Group, Cobetter Filtration

## Investors

- HighLight Capital (https://capitalatlas.ai/funds/highlight-capital) — Series A
- BioTrack Capital (https://capitalatlas.ai/funds/biotrack-capital) — Series A
- CETC Fund (https://capitalatlas.ai/funds/cetc-fund) — Series A
- LBT Group — Series A, Series B
- Cobetter Filtration — Series A
- FG Venture (https://capitalatlas.ai/funds/fg-venture) — Series B
- Raystone Capital (https://capitalatlas.ai/funds/raystone-capital) — Series B
- Shang Finance (https://capitalatlas.ai/funds/shang-finance) — Series B
- Kingray Capital (https://capitalatlas.ai/funds/kingray-capital) — Series B
- Xin'an Capital (https://capitalatlas.ai/funds/xin-an-capital) — Series B
- Sino Blue Venture Capital — Series B
- Huayan Capital — Series B