Top 7 China Quantum Computing Companies & Technology 2025
China is a global leader in quantum computing, having achieved quantum advantage with its Jiuzhang photonic quantum computer and Zuchongzhi superconducting quantum processor. The country's quantum computing ecosystem combines world-class academic research from USTC with commercial ventures focused on quantum chips, software, and cloud access, backed by multi-billion dollar national investment.
TL;DR: China leads in photonic quantum computing (Jiuzhang 3) and superconducting qubits (Zuchongzhi 3 with 66 qubits). Origin Quantum is the leading commercial quantum company with 20+ customers. China's national quantum computing investment exceeds RMB 100 billion.
Top Companies
Origin Quantum (本源量子)
20+ enterprise customersOrigin Quantum is China's leading commercial quantum computing company, offering superconducting quantum computers, quantum chips, and cloud-based quantum computing services. Its Wukong quantum computer is available via cloud access to 20+ enterprise customers and 100,000+ quantum software developers.
USTC / CAS (中科大)
Quantum advantage achievedThe University of Science and Technology of China developed Jiuzhang 3 (255-photon quantum computer) and Zuchongzhi 3 (66-qubit superconducting processor), both achieving quantum advantage. USTC's Pan Jianwei team leads China's quantum computing research and has published in Nature and Science over 20 times.
QuantumCTek (国盾量子)
Quantum communication leaderQuantumCTek is China's leading quantum communication company, providing quantum key distribution (QKD) devices and quantum secure communication networks. Its QKD products protect communications for government, banking, and military applications across China's 30,000km quantum backbone network.
Z.ai (量旋科技)
Desktop quantum computersZ.ai (SpinQ) develops desktop-sized NMR quantum computers for education and research. Its Gemini series products are the world's first commercially available desktop quantum computers, sold to 200+ universities in 30+ countries for quantum computing education and algorithm development.
Baidu Quantum (百度量子)
Paddle Quantum platformBaidu's quantum computing division develops the Paddle Quantum platform for quantum machine learning and quantum chemistry simulations. Its cloud quantum computing service provides access to superconducting qubits and supports quantum algorithm development with Python-based programming tools.
Alibaba DAMO Quantum
Quantum Lab researchAlibaba's DAMO Academy operates a quantum computing laboratory developing superconducting quantum processors and quantum simulation tools. Its cloud quantum computing platform provides developer access to quantum circuits, variational algorithms, and quantum chemistry applications.
QC Quantum (启科量子)
Ion trap quantum computerQC Quantum is developing China's first commercial trapped-ion quantum computer. Its technology targets high-fidelity quantum gates and long coherence times, with potential advantages for quantum simulation and quantum error correction applications in pharmaceuticals and materials science.
Comparison Table
| Company | Quantum Technology | Qubits/Photons | Access Method | Primary Application |
|---|---|---|---|---|
| Origin Quantum | Superconducting | 24 qubits (Wukong) | Cloud + on-premise | Chemistry, finance |
| USTC (Jiuzhang 3) | Photonic | 255 photons | Research lab | Boson sampling |
| USTC (Zuchongzhi 3) | Superconducting | 66 qubits | Research lab | Random circuit sampling |
| QuantumCTek | QKD/communication | N/A | Hardware products | Secure communications |
| SpinQ (Z.ai) | NMR (desktop) | 2-3 qubits | Desktop product | Education, research |
| Baidu Quantum | Superconducting | Cloud access | Paddle Quantum | QML, chemistry |
| QC Quantum | Trapped ion | In development | Coming soon | Simulation, pharma |
Frequently Asked Questions
What is quantum advantage and has China achieved it?
Quantum advantage (also called quantum supremacy) is when a quantum computer performs a task no classical computer can reasonably match. China achieved this with Jiuzhang (photonic, 2020) and Zuchongzhi (superconducting, 2021). Jiuzhang 3 (2023) used 255 photons, performing calculations that would take the world's fastest supercomputer billions of years.
Can I access a Chinese quantum computer?
Yes. Origin Quantum offers cloud access to its Wukong quantum computer through its website. Baidu also provides quantum cloud services through Paddle Quantum. SpinQ sells desktop quantum computers for education. These services allow researchers and developers to run quantum circuits and algorithms remotely.
How does China compare to the US in quantum computing?
China leads in photonic quantum computing (Jiuzhang) and quantum communication (world's largest QKD network). The US leads in gate-based superconducting quantum computing (IBM, Google). China's national investment in quantum technology is estimated at over RMB 100 billion, comparable to the US National Quantum Initiative.
What are the main quantum computing technologies?
The main approaches are: superconducting qubits (Google, IBM, Origin Quantum), photonic (Jiuzhang, Xanadu), trapped ions (IonQ, QC Quantum), topological (Microsoft), and neutral atoms (Pasqal). China has strengths in photonics, superconducting, and is developing trapped-ion capabilities.
When will quantum computers be commercially useful?
Experts predict quantum computers will demonstrate practical commercial advantage for specific problems (drug discovery, optimization, cryptography) within 5-10 years. China's Origin Quantum already serves enterprise customers for quantum chemistry simulations. Widespread commercial quantum advantage requires 1,000+ logical qubits, expected by 2030-2035.