SymCool™ Axisymmetric Free-Piston Stirling Cryocooler Design
Featuring an axisymmetric design, the SymCool™ Free-Piston Stirling Cryocooler enables cylindrical modular integration with optical lenses, achieving significant space optimization and streamlined manufacturing.
OrthoCool™ Orthogonal Hybrid Pulse Tube Cryocooler Design (Phase-Shifting Displacers at ambient temperature)​
The orthogonal hybrid pulse tube architecture of the "OrthoCool"™ is an innovative high-frequency pulse tube cryocooler techonogy oriengnally developed by Lihan Cryogenics. This architecture is suitable for the design of refrigerators operating within the temperature range of 20K to 200K and with a cooling capacity ranging from 10W to 1000W.
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Lihan Cryogenics: Redefining Cryogenic Frontiers, Empowering Technological Evolution​
As an innovation leader in cryogenic engineering, Lihan Cryogenics is committed to delivering precision-engineered cryogenic solutions for cutting-edge scientific applications. Leveraging world-leading cryogenic physics research capabilities and two decades of engineering expertise, we have developed a comprehensive product matrix covering full temperature ranges (20K-200K) and cooling capacities (mW-kW), empowering breakthrough applications in superconducting electronics, nuclear spectroscopy, infrared detection, cryogenic medicine, and gas liquefaction.

Core Competencies
• OrthoCool™ Orthogonal Hybrid Pulse Tube Architecture: Pioneering integration of room-temperature displacer phase-shifting technology with pulse tube refrigeration systems
• Multi-Dimensional Technology Platform: Incorporating high-frequency Stirling-type pulse tubes, SymCool™ axisymmetric free-piston Stirling coolers, and compact reverse-Brayton cycle systems
• Precision Thermal Control: ±0.1K stability across 20K-200K operational range, meeting stringent experimental requirements

Product Portfolio
✓ High-Performance Series: Tailored solutions for scientific instruments and customized equipment
✓ Industrial-Commercial Series: Cost-optimized solutions for bulk production environments
✓ High-Capacity Series: Compact reverse-Brayton cryocoolers delivering "plug-and-play" solutions for mobile platforms and space-constrained power systems

Key Applications
◆ Integrated cryogenic modules for nuclear/IR scientific instruments
◆ Cryogenic stabilization systems for superconducting power grids
◆ Marine-deployable mobile gas liquefaction systems
◆ Medical cryosurgical units and biobank preservation solutions

Supported by proprietary vibration suppression technology (amplitude <5μm) and 100,000-hour fault-free operation verification, our cryogenic systems have enabled technology transfer in 37 national-level research projects, continuing to build cryogenic bridges that connect laboratory innovations to industrial applications.