
504
Physical Qubits
—
Logical Qubits
—
2Q Fidelity
Superconducting
Qubit Tech
2024
Founded
About
China Telecom Quantum Group is a wholly-owned subsidiary of China Telecom, headquartered in Hefei. In January 2025 it became the controlling shareholder of QuantumCTek, China's leading QKD company. China Telecom has committed more than CNY 10 billion of investment across its quantum programs. The group operates the Tianyan quantum computing cloud platform, which had recorded more than 12 million user visits from over 50 countries by mid-2025. In October 2025 it deployed access to the 105-qubit Zuchongzhi-3 on the Tianyan platform. In December 2024 it co-developed the Tianyan-504, a 504-qubit superconducting quantum computer, with CAS and QuantumCTek.
Quantum Specifications
| Qubit Technology | Superconducting |
| Physical Qubits | 504 |
| Quantum Focus | hardware |
Physical Qubits504
Backed By
Lakestar
Lightspeed Venture Partners
Quantum Coast Capital
Type One Ventures
Trumpf Venture
Gic Government Of Singapore Investment Corporation
Hercules Capital
Inven Capital
Frequently Asked Questions
China Telecom Quantum Group is a wholly-owned subsidiary of China Telecom, headquartered in Hefei. In January 2025 it became the controlling shareholder of QuantumCTek, China's leading QKD company. China Telecom has committed more than CNY 10 billion of investment across its quantum programs.
The group operates the Tianyan quantum computing cloud platform, which had recorded more than 12 million user visits from over 50 countries by mid-2025. In October 2025 it deployed access to the 105-qub...
China Telecom Quantum Group is based in China.
China Telecom Quantum Group was founded in 2024.
China Telecom Quantum Group has 504 physical qubits.
China Telecom Quantum Group operates in the following sectors: superconducting qubits, quantum cloud, qkd, quantum communications.
