# Lonxun Quantum

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/lonxun-quantum

- Industry: Software
- Headquarters: Beijing, China
- Website: www.pwmat.com
- Latest round: Series B (Sep 22, 2026)
- Investors on record: 5

## About

Based in Beijing, China and founded in 2021 by Linwang Wang, Longxun Kuangteng (Shenzhen) Technology Co., Ltd., trading as Lonxun Quantum, operates as a developer of computational materials simulation software, providing tools and technologies for research teams in materials simulation. Institute of Semiconductors, Chinese Academy of Sciences, School of Physics, University of Chinese Academy of Sciences, Department of Physics, Fudan University, Chinese Academy of Engineering Physics, Seoul National University and other universities and institutions have cooperated with the company. Dr. Linwang Wang, the Chief Scientist, was a senior researcher at Lawrence Berkeley National Laboratory.
In September 2026, Lonxun Quantum raised a Series B1 funding from Guotai Haitong, Sino-Singapore Suzhou Industrial Park Industrial Investmentand, Cowin Capital.
Lonxun Quantum focuses on developing EDA software for atomic precision material development to meet the needs of "Industry 4.0". The core product, PWmat, is a general purpose plane wave density generalized function theory calculator. PWmat can realize many kinds of calculations such as HSE, TDDFT, NAMD, Solvent model, electro-acoustic coupling, defect system phonon calculation, non-radiative attenuation, charge capture calculation, charged defect calculation, and VCA calculation. The other products offered by the company include PWmat-MLFF, Module, PWkit, Q-Flow, and Q-Studio. The products and technologies of the company can be used in microelectronics, chemical, new energy, biomedical and other industries.
The company's revenue is generated by providing EDA software, which provides material calculation and simulation tools.
The series B1 financing round will be used to expand the R&D team, establish a dry-wet closed-loop system, and build out the commercial operations framework.

## Funding rounds

- Series B, Sep 22, 2026 — Cowin Capital, Guotai Haitong, Sino-Singapore Suzhou Industrial Park Industrial Investment
- Series A, Mar 15, 2023 — Founder H Fund, China Prosperity Capital
- Angel, Dec 9, 2021 — Cowin Capital

## Investors

- Cowin Capital (https://capitalatlas.ai/funds/cowin-capital) — Angel, Series B
- Founder H Fund (https://capitalatlas.ai/funds/founder-h-fund) — Series A
- China Prosperity Capital (https://capitalatlas.ai/funds/china-prosperity-capital) — Series A
- Guotai Haitong — Series B
- Sino-Singapore Suzhou Industrial Park Industrial Investment — Series B