# Prosemi

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

- Industry: Electronics
- Headquarters: Suzhou, China
- Website: www.prosemitech.com
- Latest round: Series A (Oct 28, 2025)
- Investors on record: 4

## About

Established in 2019 and based in Suzhou, China, Prosemi is an electronics manufacturing company specializing in the development and marketing of precision current sensing components. The core team comes from Yageo Corporation, Ward Electronics, AEM, and Littelfuse. The company has been authorized with more than 80 invention and utility model patents. It acquired certifications such as ISO9001/ ISO14001/ IATF16949 quality management system certification. It has cooperative relationships with Nidec, Inovance, UAES, Aptiv, Desay, Panasonic. In October 2025, Prosemi raised a series A+ funding led by new investors Qianhai Ark Asset Management and Shenzhen Capital Real Estate Fund, with participation from new investors GTJA Innovation Investment and Guotai Asset Management.
The company’s main business is the research and development of precision micro-ohmic current sensing resistors and comprehensive circuit protection solutions. The company’s self-developed products include Current Sensing Resistors (CSR), Sampling Resistors, Alloy Resistors, and Shunts. Its products are used in the field of power measurement, energy monitoring, current protection, and control within applications such as battery management systems, motor drives, inverters, and converters across industries like consumer electronics, automotive electronics, smart home, new energy, and industrial control.
The company generates revenue by providing precision current sensing components and circuit protection solutions.
The company will focus on its R&D investment, capacity expansion, and market development.

## Funding rounds

- Series A, Oct 28, 2025 — GTJA Innovation Investment, Guotai Asset Management, Shenzhen Capital Real Estate Fund, Qianhai Ark Capital

## Investors

- GTJA Innovation Investment (https://capitalatlas.ai/funds/gtja-innovation-investment) — Series A
- Guotai Asset Management (https://capitalatlas.ai/funds/guotai-asset-management) — Series A
- Shenzhen Capital Real Estate Fund (https://capitalatlas.ai/funds/shenzhen-capital-real-estate-fund) — Series A
- Qianhai Ark Capital (https://capitalatlas.ai/funds/qianhai-ark-capital) — Series A