# SPTX

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

- Industry: Electronics
- Headquarters: Beijing, China
- Website: www.stellarphotonix.com/
- Total disclosed funding: $14M
- Latest round: Angel (Nov 18, 2025)
- Investors on record: 3

## About

Founded in 2025 and based in Beijing, China, Starlight (Beijing) Technology Co., Ltd., trading under the name SPTX, focuses on photonic technologies for telecommunications and sensing applications. The company develops optical transceivers and sensor products designed to support data-transmission and industrial-detection needs. It serves clients such as telecom operators, industrial enterprises and research institutions across several regions. In November 2025, the company raised CNY 100 million in angel funding round from Addor Capital, Kunlun Stone Capital and Yihua Capital.

The company works with telecommunications providers, industrial companies, and research organizations to offer optical transceivers, photonic sensors and other optoelectronic components. 

The company’s revenue comes from B2B sales of photonic components to telecommunications and industrial customers. Additional revenue is generated through sales agreements that include technical support and services related to the company’s optical devices.

The company plans to expand production of optical-payload products, increase research and development investment.

## Funding rounds

- Angel, Nov 18, 2025, $14M — Addor Capital, Kunlun Stone Capital, Yihua Capital

## Investors

- Addor Capital (https://capitalatlas.ai/funds/addor-capital) — Angel
- Kunlun Stone Capital (https://capitalatlas.ai/funds/kunlun-stone-capital) — Angel
- Yihua Capital (https://capitalatlas.ai/funds/yihua-capital) — Angel