# China Science Photon Chip

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/china-science-photon-chip

- Industry: Electronics
- Headquarters: Jiaxing, China
- Website: www.cspctech.com
- Total disclosed funding: $28M
- Latest round: Series B (Sep 3, 2026)
- Investors on record: 4

## About

Based in Zhejiang, China and founded in 2019, Guoke Optoelectronics (Haining) Technology Co., Ltd., trading as China Science Photon Chip, is a national high-tech enterprise integrating capabilities in materials processing, chip design, integrated packaging, optoelectronic devices, application algorithms, and system integration.
In September 2026, China Science Photon Chip raised a Series B+ funding led by Sichuan Development Securities Investment Fund Management, with participation from Kaitai Capital, Shandong Kechuang Investment, and other investors.
The company provides silicon photonics chip technology and overall solution, integrates capabilities in materials processing, chip design, integrated packaging, optoelectronic devices, application algorithms, and system integration. It has developed 400G/800G/1.6T data communication silicon photonics chips, lidar, and OCT based on chip integration solutions, which can be widely used in AI clusters, etc.
The company’s revenue is generated by providing silicon photonics chip technology and overall solution.
The Series B+ funds raised in this round will be primarily used for the development of new products such as next-generation single-wavelength 400Gbps silicon photonics chips, 1.6T/3.2T silicon photonics detector chips, 3.2T/6.4T NPO/CPO, and OIO chips, as well as for the expansion of the data communication subsidiary (sub-brand: Xinghan Photonics) and the construction plan for overseas delivery centers.

## Funding rounds

- Series B, Sep 3, 2026 — Kaitai Capital, Sichuan Development Securities Investment Fund Management, Shandong Kechuang Investment
- Series B, Dec 11, 2025, $28M — Gantou Capital

## Investors

- Gantou Capital (https://capitalatlas.ai/funds/gantou-capital) — Series B
- Kaitai Capital (https://capitalatlas.ai/funds/kaitai-capital) — Series B
- Sichuan Development Securities Investment Fund Management (https://capitalatlas.ai/funds/sichuan-development-securities-investment-fund-management) — Series B
- Shandong Kechuang Investment (https://capitalatlas.ai/funds/shandong-kechuang-investment) — Series B