# Paek

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

- Industry: Materials
- Headquarters: Quzhou, China
- Website: www.zjpaek.com
- Latest round: Series A (Oct 31, 2025)
- Investors on record: 1

## About

Established in 2018 and based in Quzhou, China, Paek is a material's company that focuses on developing phenolphthalein-based polyaryletherketones. The company has partnerships with the Changchun Institute of Applied Chemistry of the Chinese Academy of Sciences, Dalian University of Technology, and East China University of Science and Technology. Its production base is located in Quzhou Hi-Tech Industrial Park, Zhejiang Province, with a total area of 25,253 square meters, forming an annual production capacity of 100 tons of PAEK-a1 in 2019, and reaching an annual production capacity of 500 tons of PAEK-a1 by 2020. In July 2023, it raised strategic investment led by new investor CK Capital. In October 2025, Paek raised a series A+ from new investor Sinowisdom.

The company's main products are PAEK PISPHT01M molding powder raw materials that are resistant to ultra-high temperatures of 350?. Its products are used in aerospace, high-speed railroad locomotives, automotive industry, electronic information, oil field, energy, and medical treatment. 

The company generates revenue from providing phenolphthalein-based polyarylether ketone resin raw materials, thermosetting resin toughening agent special materials, carbon fiber and glass fiber materials, materials for molding products, materials for tubular separation membranes, high-performance coatings, and thermoplastic prepregs.

The company will continue to promote the penetration of PEKC in fields such as large aircraft, low-altitude economy, and new energy.

## Funding rounds

- Series A, Oct 31, 2025 — Sinowisdom

## Investors

- Sinowisdom (https://capitalatlas.ai/funds/sinowisdom) — Series A