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ZQuantum Technology Co.

Chinese full-stack optical quantum computing company developing quantum teaching machines, cloud platforms, and quantum-safe security products.

Last updated September 27, 2026

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Overview

ZQuantum Technology Co. (正则量子(北京)技术有限公司) is a Chinese company focused on optical quantum computing and quantum information networks. It describes itself as a full-stack optical quantum computing company that combines hardware, software, and algorithms to advance practical quantum technologies. The company is headquartered in Beijing and operates primarily in the Chinese market. ZQuantum offers a range of products spanning quantum education, quantum computing simulation, and quantum-safe security. Its optical quantum computing teaching machine integrates a self-developed high-performance PPKTP entangled photon source, optical quantum chips, high-sensitivity single-photon detection, and efficient coincidence counting modules, providing an experimental platform for quantum information science education and research. The company also provides a quantum computing cloud platform with modules for quantum circuit design and simulation, variational quantum eigensolver, quantum approximate optimization, and real-time quantum system evolution simulation. In the security domain, ZQuantum offers quantum-safe interconnection products that combine post-quantum cryptography, quantum key distribution, and quantum random number generators to upgrade commercial cryptographic systems. ZQuantum's product lineup includes single-photon detectors based on Si-APD avalanche diodes, multi-channel coincidence counters, quantum random number generators (ZQRNG-VF and ZQRNG-Quantum U Shield), a quantum-safe key service platform, a quantum-safe cloud server cryptographic machine, a quantum-safe IPSEC VPN gateway, and a high-performance quantum-safe gateway. These products target applications in finance, pharmaceuticals, logistics, information encryption, and optimal search. The company was founded by Dr. Huang Leilei, who serves as founder and CEO. In August 2024, ZQuantum held a product launch event in Beijing under the theme "Chasing Light, Creating the Future," where it released the world's first four-bit optical quantum teaching machine, "Guangmai ZQ-QC40," the quantum computing simulation platform "Jiguang ZQ-QCS30," and a series of quantum+security products. The company is actively involved in industry forums and collaborates with academic institutions to advance quantum computing research and education.

History

ZQuantum Technology Co. (正则量子(北京)技术有限公司) is a Chinese company specializing in optical quantum computing and quantum information networks. It positions itself as a full-stack optical quantum computing company that integrates hardware, software, and algorithms to deliver practical quantum technologies. The company is headquartered in Beijing and operates primarily in China. The company was founded by Dr. Huang Leilei, who serves as founder and CEO. Under her leadership, ZQuantum has focused on developing a comprehensive product portfolio that spans quantum education, quantum computing simulation, and quantum-safe security. The company's optical quantum computing teaching machine integrates a self-developed high-performance PPKTP entangled photon source, optical quantum chips, high-sensitivity single-photon detection, and efficient coincidence counting modules, providing an experimental platform for quantum information science education and research. It supports experiments ranging from basic to advanced quantum operations, such as precise preparation of quantum states and Bell inequality verification. In addition to hardware, ZQuantum offers a quantum computing cloud platform that includes modules for quantum circuit design and simulation, variational quantum eigensolver, quantum approximate optimization, and real-time quantum system evolution simulation. The platform allows users to build simulated circuits through a graphical interface and convert them into code that runs on real quantum hardware. The company also provides a quantum computing simulator that supports up to 32-bit quantum circuit simulation using classical computers. In the security domain, ZQuantum has developed a series of quantum-safe products that combine commercial cryptography with post-quantum cryptography, quantum key distribution, and quantum random number generators. These products include the ZQRNG-VF board-level high-speed quantum random number generator, the ZQRNG-Quantum U Shield portable quantum random number generator, a quantum-safe key service platform, a quantum-safe cloud server cryptographic machine, a quantum-safe IPSEC VPN gateway, and a high-performance quantum-safe gateway. These solutions are designed for industries with high security requirements, such as finance, social security, energy, and transportation. A significant milestone for ZQuantum was its product launch event held on August 28, 2024, in Beijing. Under the theme "Chasing Light, Creating the Future," the company released the world's first four-bit optical quantum teaching machine, "Guangmai ZQ-QC40," the quantum computing simulation platform "Jiguang ZQ-QCS30," and a series of quantum+security products. The event also served as a forum for sharing the latest research findings, technological breakthroughs, and industry insights in optical quantum computing. ZQuantum is actively engaged in industry dialogue and academic collaboration. It hosts the "Quantum Zheng Tan" (量子正谈) series, which invites experts to discuss topics such as the opportunities and challenges of quantum computing in large-scale atomic systems. The company's CEO, Dr. Huang Leilei, has represented Chinese entrepreneurs at international seminars, such as the "Green and Digital Development of Asia-Pacific Industrial Chains" seminar held in Beijing in May 2024. Through its product innovations and industry engagement, ZQuantum aims to advance the practical application of quantum technologies in computing and information networks.

  • Released the world's first four-bit optical quantum teaching machine 'Guangmai ZQ-QC40', quantum computing simulation platform 'Jiguang ZQ-QCS30', and quantum+security products at a product launch event in Beijing.

  • Hosted 'Quantum Zheng Tan' event with Professor Shen Heng from Shanxi University on quantum computing in large-scale atomic systems.

  • CEO Dr. Huang Leilei attended the international seminar on 'Green and Digital Development of Asia-Pacific Industrial Chains' in Beijing.

Products and positioning

Full-stack optical quantum computing company providing practical quantum technologies for computing and quantum information networks.

  • Optical Quantum Computing Teaching Machine

    Integrates self-developed high-performance PPKTP entangled photon source, optical quantum chips, high-sensitivity single-photon detection, and efficient coincidence counting modules. Supports basic to advanced quantum experiments such as quantum state preparation and Bell inequality verification.

  • Quantum Computing Simulator

    Supports up to 32-bit quantum circuit simulation. Includes modules for quantum circuit design and simulation, variational quantum eigensolver, quantum approximate optimization, and real-time quantum system evolution simulation.

  • Single-Photon Detector

    Based on Si-APD avalanche diode, supports wavelength range 400-1100nm, with high detection efficiency, low dark count rate, low afterpulse probability, and high saturation count rate.

  • Multi-Channel Coincidence Counter

    Self-developed pulse counter supporting 1-8 custom inputs, with independent counting and adjustable coincidence time window for 2 or 4 channels.

  • Quantum Random Number Generator ZQRNG-VF

    Domestic board-level high-speed quantum random number generator with full independent intellectual property. Output meets GM/T0005-2021 standard. Supports PCIE and network port dual interface output.

  • Quantum Random Number Generator ZQRNG-Quantum U Shield

    Domestic portable board-level quantum random number generator with full independent intellectual property. Output meets GM/T0005-2021 standard.

  • Quantum-Safe Key Service Platform

    Offers triple security encryption combining classical algorithms, PQC, and QKD. Supports dynamic quantum-safe key generation, REST API/SDK, and algorithm flexibility.

  • Quantum-Safe Cloud Server Cryptographic Machine

    Integrates national cryptographic algorithms, PQC, and QKD for up to triple security encryption. Uses QRNG for enhanced randomness. Suitable for finance and social security.

  • Quantum-Safe IPSEC VPN Gateway

    Integrates national cryptographic algorithms, PQC, and QKD for up to triple security encryption. Provides end-to-end secure transmission for finance, social security, energy, and transportation.

  • High-Performance Quantum-Safe Gateway

    Triple security encryption combining classical algorithms, PQC, and QKD. Integrates INTEL SGX for secure and trusted operation.

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