# KATO

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

- Industry: Telecoms
- Headquarters: Nanjing, China
- Latest round: Series B (Jan 23, 2026)
- Investors on record: 4

## About

Based in Nanjing, China and founded in 2016, Nanjing Kaituo Optoelectronics Technology Co., Ltd., trading as KATO, is a high-tech enterprise specializing in the research, development, production, and sales of fiber optic devices. In January 2026, KATO closed Series B funding from new investor Green Harbor Investment.
The company's main products include core components and systems such as fiber optic rings, fiber optic sensing ring assemblies, fiber optic gyroscopes, energy fiber optic devices, and fiber optic sensors, which are widely used in aerospace, marine, energy, and transportation fields. 
The company generates revenue by doing R&D, and providing fiber optic devices and other related products.
The Series B funding raised in January 2026 will be used to expand the company's high-end manufacturing capacity in Jiangsu Province.

## Funding rounds

- Series B, Jan 23, 2026 — Green Harbor Investment
- Series A, Oct 28, 2025 — Jolmo Capital, Beijing Yicheng Yangguang Asset Management, Accum Private Equity

## Investors

- Jolmo Capital (https://capitalatlas.ai/funds/jolmo-capital) — Series A
- Beijing Yicheng Yangguang Asset Management — Series A
- Accum Private Equity (https://capitalatlas.ai/funds/accum-private-equity) — Series A
- Green Harbor Investment (https://capitalatlas.ai/funds/green-harbor-investment) — Series B