# Sioptics

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

- Industry: Semiconductors
- Headquarters: Nantong, China
- Website: www.sioptics.com/
- Latest round: Series B (Oct 26, 2023)
- Investors on record: 2

## About

Located in Nantong, China, Sioptics specializes in advanced optical communication solutions, focusing on semiconductor and RF technologies to enhance data transmission across various industries.Sioptics is a technology firm that specializes in optical communication solutions. Founded in 2017 in Nantong, China, the company has successfully completed 3 funding deals, with the most recent deal occurring on May 8, 2025. The company does not have any known subsidiaries or parent companies.Sioptics specializes in providing high-quality solutions for optical communication through its innovative semiconductor and RF technology. The company’s core product offerings encompass silicon submounts, which are essential components in optical modules, and various substrates designed for efficient laser integration. Their products, including the 10G RC integrated Si submount and fiber array substrates, are tailored for applications across diverse sectors such as optical communication, data centers, the laser industry, and biomedical fields. Sioptics serves a global clientele, focusing on key markets in Asia, North America, and Europe, where its products meet the demands of advanced optical systems and enhance the performance of data transmission technologies.Sioptics generates revenue through direct B2B transactions with clients in the telecommunications and laser manufacturing sectors. The company engages in sales of its semiconductor components, often entering into contractual agreements that include bulk orders or long-term supply arrangements with major technology firms. Transactions typically encompass the provision of silicon submounts and substrates, which are critical for clients’ product development and manufacturing processes. The revenue model is structured around these direct sales, with potential for recurring contracts based on the ongoing demand for high-performance optical communication solutions. Specific pricing details for individual products are defined through negotiation based on order volume and customer requirements.In May 2025, Sioptics raised an undisclosed amount of venture funding from new investors Ysun Investment and Nantong Southern Wenfeng Investment, along with returning investor Nantong Zhineng Private Equity Fund Management. The company aims to develop new products to enhance its optical communication solutions and expand its market presence in Asia, North America, and Europe by the end of 2025. The recent funding will be utilized to support product development and market expansion initiatives.

## Funding rounds

- Series B, Oct 26, 2023 — Nantong Zhineng Private Equity Fund Management
- Series A, Jul 26, 2019 — SAIC Capital

## Investors

- SAIC Capital (https://capitalatlas.ai/funds/saic-capital) — Series A
- Nantong Zhineng Private Equity Fund Management (https://capitalatlas.ai/funds/nantong-zhineng-private-equity-fund-management) — Series B