# Linejoint

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

- Industry: Materials
- Headquarters: Suzhou, China
- Website: www.linejoint.com
- Latest round: Series A (Jul 31, 2026)
- Investors on record: 5

## About

Based in Suzhou, China, and founded in 2024, Suzhou Linejoint Technology Co., Ltd., trading as Linejoint, is a semiconductor packaging materials developer, primarily engaged in the research and development of mid-to-high-end ceramic substrates and other products. In July 2026, Linejoint raised a Series A funding led by Beijing Huaqiang Venture Capital, with participation from CRRC Capital, Dayu Capital, Suzhou International Development Venture Capital Holding and Suzhou Angel Investment Guidance Fund.

The company provides metal ceramics, ceramic packaging technology, smart sensor packaging, and application solutions. Its products are used in smart sensors, automotive electronics, microwave and radio frequency, and other fields.

The company generates revenue by manufacturing and selling ceramic substrates, metallized substrates, and semiconductor packaging materials to semiconductor and electronics manufacturers.

The Series A funding raised in July 2026 will be used to diversify its layout in different downstream fields and achieve differentiated breakthroughs in various industrial scenarios.

## Funding rounds

- Series A, Jul 31, 2026 — Suzhou International Development Venture Capital Holding, Dayu Capital, Suzhou Angel Investment Guidance Fund, Beijing Huaqiang Venture Capital, CRRC Capital

## Investors

- Suzhou International Development Venture Capital Holding (https://capitalatlas.ai/funds/suzhou-international-development-venture-capital-holding) — Series A
- Dayu Capital (https://capitalatlas.ai/funds/dayu-capital) — Series A
- Suzhou Angel Investment Guidance Fund (https://capitalatlas.ai/funds/suzhou-angel-investment-guidance-fund) — Series A
- Beijing Huaqiang Venture Capital (https://capitalatlas.ai/funds/beijing-huaqiang-venture-capital) — Series A
- CRRC Capital (https://capitalatlas.ai/funds/crrc-capital) — Series A