# Csun

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

- Industry: Materials
- Headquarters: Zhuzhou, China
- Website: www.china-csun.com/
- Latest round: Series D (Dec 9, 2025)
- Investors on record: 12

## About

Based in Zhuzhou, China and established in 2016, Hunan Shixin New Material Co., Ltd., trading as Csun, engages in the research, development, production, and sales of carbon-ceramic composite materials and their products used in photovoltaic thermal fields, rail transit, passenger vehicles, semiconductors, and other fields. In December 2025, Csun raised a series D+ funding from new investors Guanggu Rencai Fund, International Economic Innovation Investment, Hiway Capital, Shenzhen Capital Real Estate Fund, Puhua Capital and returning investor Junchenda Capital.

The company engages in the research and development of carbon-ceramic composite materials and their products.

The company generates revenue through the sales of carbon-ceramic composite materials and their products.

The company will use the latest funding for the research and development and production of carbon-ceramic products in fields such as photovoltaic thermal fields, rail transportation, passenger vehicles, and semiconductors.

## Funding rounds

- Series D, Dec 9, 2025 — Hiway Capital, Puhua Capital, Shenzhen Capital Real Estate Fund, Guanggu Rencai Fund, Junchenda Capital, International Economic Innovation Investment
- Series D, Aug 5, 2025 — GP Capital, Shuimu Qinghua Capital, Junchenda Capital, Chengdu Major Industrialization Project Phase I Equity Investment Fund, Guangdong Fanghua Xingke Venture Capital Fund Management Co., Ltd
- Series B, Nov 18, 2022 — GF Qianhe, Goofar Sanxin Fund

## Investors

- GF Qianhe — Series B
- Goofar Sanxin Fund (https://capitalatlas.ai/funds/goofar-sanxin-fund) — Series B
- GP Capital (https://capitalatlas.ai/funds/gp-capital) — Series D
- Shuimu Qinghua Capital (https://capitalatlas.ai/funds/shuimu-qinghua-capital) — Series D
- Junchenda Capital (https://capitalatlas.ai/funds/junchenda-capital) — Series D
- Chengdu Major Industrialization Project Phase I Equity Investment Fund — Series D
- Guangdong Fanghua Xingke Venture Capital Fund Management Co., Ltd — Series D
- Hiway Capital (https://capitalatlas.ai/funds/hiway-capital) — Series D
- Puhua Capital (https://capitalatlas.ai/funds/puhua-capital) — Series D
- Shenzhen Capital Real Estate Fund (https://capitalatlas.ai/funds/shenzhen-capital-real-estate-fund) — Series D
- Guanggu Rencai Fund (https://capitalatlas.ai/funds/guanggu-rencai-fund) — Series D
- International Economic Innovation Investment (https://capitalatlas.ai/funds/international-economic-innovation-investment) — Series D