# CSRayer

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

- Industry: Electronics
- Headquarters: Wuhan, China
- Website: www.csrayzer.com/
- Latest round: Series B (Jan 31, 2026)
- Investors on record: 1

## About

Based in Wuhan, China and founded in 2016, CSRayer Optical Technology Co., Ltd., trading as CSRayer, focuses on developing and producing optoelectronic components. In January 2026, CSRayer raised a series B funding from new investor Zhejiang Bauhinia Investment.

The company specializes in the development and manufacturing of advanced optoelectronic components, including acousto-optics, fiber sensing technologies, fiber laser components, and optical amplifiers, particularly erbium-doped fiber amplifiers (EDFA). These products enhance the performance of laser systems and optical networks in telecommunications, medical devices, and scientific research applications. CSRayer serves a diverse client base across Asia, Europe, and North America, providing high-performance optical solutions tailored to market demands.

The company generates revenue through the sale of optoelectronic products to industrial clients.

The company will use the latest funding to accelerate the construction of mass production capabilities for special optical devices and to attract high-end talent.

## Funding rounds

- Series B, Jan 31, 2026 — Zhejiang Bauhinia Investment

## Investors

- Zhejiang Bauhinia Investment (https://capitalatlas.ai/funds/zhejiang-bauhinia-investment) — Series B