China Heavy Duty Freezer Manufacturers & Factory

Premium Industrial Refrigeration, -40℃ to -180℃ Cryogenics, and Skid-Mounted Engineering Solutions for Global Procurement

Our Featured Cryogenic & Environmental Systems

Engineered with high thermodynamic efficiency and A2 pressure vessel standards for modern industrial applications.

Environmentally Friendly Pet Hydration Chamber

China Suppliers Factory for Environmentally Friendly Pet Hydration Chamber for Safe Pet Disposal

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Skid-Mounted LNG Liquefaction Equipment

China Suppliers Factory for Skid-Mounted LNG Liquefaction Equipment for Natural Gas and Shale Gas

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Desulphurisation Equipment

China Desulphurisation Equipment Suppliers - High-Quality Solutions from a Leading Desulphurisation Factory

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High-Temperature Hydrolysis Treatment Equipment

China High-Temperature Hydrolysis Treatment Equipment for Laboratory Animal Carcasses

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Mobile Skid-Mounted LNG Liquefaction Plant

China Suppliers: Factory-Ready Mobile Skid-Mounted LNG Liquefaction Plant for Efficient Energy Solutions

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Purification Equipment

High-Quality Purification Equipment Suppliers: Deacidification, Dehydration, and Heavy Hydrocarbon Removal

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Skid-Mounted Liquefaction Equipment

China Skid-Mounted Liquefaction Equipment Supplier, Manufacturer

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Exhaust Gas Recovery Equipment

China Natural Gas Treatment Plant Exhaust Gas Recovery Equipment Suppliers - Efficient Tail Gas Solutions

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Academy-Backed Cryogenic and Refrigeration Manufacturing

Hebei Hongke Qingneng Environmental Protection Equipment Co., Ltd. was established in June 2021 with a substantial registered capital of 78 million yuan. Headquartered within the industrial base of Sanhe Economic Development Zone, Langfang City, our enterprise represents a premier industrial center specializing in the research, design, development, and manufacturing of state-of-the-art energy conservation, environmental protection, and heavy-duty refrigeration systems.

We bridge the gap between academic innovation and heavy-duty industrial application. Backed by key researchers from elite institutions, including Tsinghua University and the Institute of Physics and Chemistry Technology of the Chinese Academy of Sciences (CAS), our technical framework utilizes high-purity cryogenic processes, advanced gas-phase thermodynamics, and top-tier pressure control. We deliver high-value turnkey equipment systems, specialized industrial freezers, and skid-mounted natural gas liquefaction plants worldwide.

78M
Registered Capital (RMB)
A2
Pressure Vessel License
20+
Patent Specifications
50+
Global Projects Delivered
Hebei Hongke Qingneng Factory Production Base

Industrial Heavy-Duty Freezers: Technology Spectrum (-40℃ to -180℃)

Optimizing thermodynamic parameters for pharmaceutical preservation, aerospace testing, and gas separation processing.

Deep Freezing Systems (-40℃ ~ -180℃)

Designed for large-scale logistics, precision metallurgic hardening, and pharmaceutical storage. Engineered using eco-friendly mixed-refrigerant auto-cascade cycles, these industrial-grade freezers provide precise temperature uniformity and high structural reliability under constant continuous load.

Sub-Zero Freeze Dryers (-70℃ ~ -100℃)

Crucial for preservation without cellular damage. Our industrial freeze dryers remove water content from heat-sensitive substances under high vacuum levels, maintaining structural integrity for vaccines, laboratory animal biological matrices, and targeted enzyme solutions.

Vacuum Cold Traps (-135℃)

Prevents volatile vapors from entering vacuum pumps. Our ultracold traps minimize vacuum pump corrosion and fluid contamination, which significantly reduces downtime in large chemical extraction plants and heavy-duty gas recovery setups.

Technical Performance Parameters

To serve heavy industries, our industrial freezers utilize high-density polyurethane insulation, multi-layer vacuum seals, and smart cooling controls to minimize operational power consumption.

Performance Parameter Standard Heavy-Duty Freezer Ultra-Low Temp (ULT) System Cryogenic Cold Box / Trap
Operating Range -40℃ to -80℃ -80℃ to -150℃ -150℃ to -180℃
Cooling Technology Single-stage/Double-stage Compressors Auto-Cascade Mixed Refrigerant (MRC) Joule-Thomson / Helium Expansion Cryogenics
Chamber Material SUS304 Stainless Steel SUS316L High-Corrosion Resistant Double-Walled vacuum insulated SUS316L
Controller Systems PLC Smart Touchscreen System DCS Integrated Remote Monitoring Integrated SCADA System with Safety Interlocks
Core Applications Biomaterial Storage, Test Chambers Aerospace Components, Solidification LNG Boil-off Gas, Helium Recovery, VOCs

Global Procurement Demands for Industrial Refrigeration

Analyzing procurement criteria for international engineering procurement and construction (EPC) companies.

1. Strict ASME & European CE Standards

Global procurement teams prioritize manufacturing partners with certified engineering credentials. Our factory maintains the prestigious A2 Level Pressure Vessel Manufacturing License, which meets design demands for high-pressure storage, vaporizers, and industrial cryostats.

2. Low Global Warming Potential (GWP)

Under international environmental regulations, old refrigerants are phased out. We offer eco-friendly mixed hydrocarbon refrigerants that reduce global warming impact while keeping cooling efficiency high.

3. Skid-Mounted Plug-and-Play Design

With high on-site installation costs, global buyers require ready-to-use skid-mounted systems. Our factory builds fully integrated, pre-wired, and pre-tested skid assemblies to simplify installation.

Elite Technical Leadership

Our core engineering team comprises nationally recognized cryogenic scientists and researchers from the Chinese Academy of Sciences.

Founder & Chairman

Dr. Sun Zhaohu

Ph.D., Institute of Physics and Chemistry Technology, CAS
National Senior Engineer

Dr. Sun has directed multiple national programs (including the National 863 Program and National Natural Science Foundation projects). Awarded the Special Prize of Technological Invention of the Chinese Society of Refrigeration in 2015 and the First Prize of the Beijing Science and Technology Award in 2016. He holds 20+ patents on skid-mounted natural gas liquefaction and cryogenic separation.

General Manager

Zou Xin

Ph.D. Candidate, CAS
Senior Engineer

Zou Xin directs corporate strategy, project management, and global partnerships. He has published 24 peer-reviewed academic papers (11 indexed by SCI/EI) and holds 5 patents. His work on cryogenics won the Beijing Science and Technology Award and the Silver Medal of the 19th China International Industry Expo.

Chief Engineer

Dr. Cheng Kuwei

Doctor of Engineering, CAS

A specialist in multi-component mixed refrigerant phase heat transfer, Dr. Cheng led the R&D for skid-mounted natural gas liquefaction systems. His research combines theoretical thermodynamics with practical engineering, developing optimal refrigeration cycles for heavy-duty cooling applications.

Macro-Industry Solutions & System Integration

We deliver integrated systems for critical environmental, waste, and chemical tail gas management needs.

1. Medical Waste Treatment

Our centralized and mobile medical waste systems utilize high-temperature steam sterilization to neutralize pathogens safely. Built as complete skid packages, these units operate in compliance with strict epidemiological control standards.

2. Laboratory & Animal Disposal

We supply high-temperature hydrolysis treatment equipment and eco-friendly pet hydration chambers. These systems provide clean, biosecure, and odorless tissue processing for universities, quarantine stations, and research centers.

3. Natural Gas & Gas recovery

We build purification systems (deacidification, dehydration, and heavy hydrocarbon removal) and skid-mounted LNG liquefaction plants. Our systems help recover scattered gas and reduce industrial emissions.

Mobile Medical Waste Treatment Skid

Localization Support & Compliance Assurance

For international projects, Hebei Hongke Qingneng provides complete localization support. We align our manufacturing designs with specific regional requirements to ensure regulatory compliance:

  • Pressure Vessel Safety: Manufacturing complies with A2 level pressure vessel codes, matching local criteria like ASME Section VIII (US) or PED 2014/68/EU (Europe).
  • Enterprise Management: Certified under GB/T19001-2016 quality systems and Sinopec HSSE / China Petroleum HSE safety frameworks.
  • Explosion-Proof Compliance: Design options for safe operation in hazardous environments (Zone 1/Zone 2, Class I Division 1/2) using explosion-proof wiring and spark-resistant components.
  • Global Site Support: We supply detailed technical manuals, structural analysis, P&ID schematics, and remote diagnostic support for quick troubleshooting.

Technology Roadmap & Future Outlook

How our R&D team addresses emerging energy and climate regulations.

1. Zero-GWP Refrigerant Development

We are developing next-generation pure hydrocarbon mixtures and gas-bearing expansion cycles. These systems eliminate synthetic fluorocarbons, aligning with international climate directives.

2. Smart IoT Cryogenics

By integrating IoT sensors and PLC modules, our systems track real-time thermodynamic metrics (pressure, flow rate, COP) to predict maintenance needs and lower operational risks.

3. Helium & BOG Recovery

With global helium shortages, we are optimizing our cryogenic separation boxes to extract helium from Boil-off Gas (BOG), helping recover valuable gases during LNG logistics.

Project Cases & Practical Applications

Operational skid installations showing our design capabilities in pressure vessels, medical waste treatment, and cryogenics.

Laboratory Animal Residue Harmless Treatment

Laboratory Animal Residue Treatment

High-temperature hydrolysis system built for biosecure research labs.

Well Gas Liquefaction Project

Well Gas Liquefaction Plant

Active skid-mounted natural gas liquefaction plant handling deep cryogenic cooling.

Centralized Medical Waste Treatment System

Centralized Medical Waste System

High-capacity pressure-steaming system designed for municipal healthcare service agencies.

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Deep-Dive Q&A: Industrial Freezing & Cryogenics

Technical explanations regarding system configuration, mixed refrigerants, and factory customization.

What cooling technology allows your deep freezers to reach down to -180℃?
To reach deep temperatures below -150℃ and down to -180℃, we use multi-stage cascade refrigeration and specialized Mixed Refrigerant Cycle (MRC) systems. By combining multiple hydrocarbons and inert gases (such as methane, ethane, propane, and nitrogen) in a single-loop cycle, we achieve efficient heat exchange at ultra-low temperatures, avoiding the high energy demands of traditional cascade setups.
How does Hebei Hongke Qingneng ensure pressure safety in its cryogenic systems?
We hold the Chinese A2 Level Pressure Vessel Manufacturing License, allowing us to design and build vessels under strict safety standards. Every system goes through comprehensive quality checks, including non-destructive testing (NDT), hydrostatic pressure testing, and helium leak testing, ensuring safety under extreme temperature and pressure shifts.
Can your mobile waste treatment and animal hydrolysis equipment run off-grid?
Yes, our mobile medical waste disposal units and animal tissue hydrolysis systems can be built with integrated diesel power generators, steam boilers, and exhaust filtration units on a single skid. This enables off-grid operation at remote biological research stations, animal quarantine centers, and disaster recovery areas.
What documentation do you provide for international EPC projects?
We provide a complete engineering documentation package, including ASME-aligned strength calculations, P&ID schematics, electric schematics, 3D step files, welding procedure specifications (WPS), material test reports (MTR), and operation manuals in English.

Complete Industrial Gas & Waste Management Portfolio

Browse our selection of skid-mounted LNG plants, waste disposal autoclaves, and air pollution control systems.

Mobile Medical Waste Disposal Equipment

China Mobile Medical Waste Disposal Equipment - High-Temperature Steam Treatment

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High-Temperature Hydrolysis Treatment Equipment

High-Quality High-Temperature Hydrolysis Treatment Equipment for Laboratory Animal Carcasses

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VOC Exhaust Treatment Equipment

China VOC Exhaust Treatment Equipment - China Suppliers & Factory for Effective Organic Waste Gas Recovery

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Desulphurisation Equipment Advanced Tech

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Skid-Mounted LNG Plant

China Suppliers: Factory-Ready Skid-Mounted LNG Plant for Efficient Natural Gas Liquefaction

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High-Temperature Hydrolysis Treatment Equipment

High-Quality High-Temperature Hydrolysis Treatment Equipment for Laboratory Animal Carcasses from China Suppliers

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Centralized Medical Waste High-Temperature Steam Equipment

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LNG Liquefaction Equipment Natural Gas Shale Gas

China Suppliers Skid-Mounted LNG Liquefaction Equipment for Natural Gas and Shale Gas

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