China Pressure Regulator & Vessel Manufacturers

High-Precision Industrial Fluid Control Systems, Custom Non-Standard A2 Pressure Vessels, and Cryogenic Gas Purification Engineering from China's Scientific Leaders.

Our Core Engineering Solutions - Part I

Explore our premium industrial gas purification, custom non-standard vessels, and eco-friendly sterilization technologies manufactured under certified global codes.

China VOC Exhaust Treatment Equipment

China VOC Exhaust Treatment Equipment - Advanced Multi-Stage Purification Technology by China Suppliers and Factory Supplier, Factory

Engineered for high-efficiency volatile organic compound recovery with cutting-edge adsorption matrices.

Natural Gas Treatment Plant

China Suppliers Factory for Natural Gas Treatment Plant Exhaust Gas Recovery Equipment

Optimized recovery solutions designed to retrieve and convert waste flare gases into usable fuel lines.

Custom Pressure Vessel

China Custom Non-Standard Pressure Vessel Solutions from Leading China Suppliers and Factory for Various Industries Suppliers, Manufacturer

A2-level certified pressure boundaries custom-tailored for petrochemical, chemical, and nuclear processes.

Pet Hydration Chamber

High-Quality Eco-Friendly Pet Hydration Chamber for Safe Treatment - China Suppliers and Factory Supplier, Manufacturers

Ecologically compliant veterinary hydration systems ensuring safety, durability, and biological separation.

VOC Recovery Equipment

China VOC Exhaust Treatment Equipment - China Suppliers & Factory for Effective Organic Waste Gas Recovery and Pollution Control Manufacturer, Factories

Industrial-grade systems integrating catalytic oxidizers and condensation units for environmental safety.

Desulphurisation Equipment

China Suppliers and Factory for Advanced Desulphurisation Equipment in Natural Gas Processing

Deep H2S extraction columns optimizing natural gas pipelines for reliable safety and corrosion defense.

Non-Standard Vessel Factory

China Custom Non-Standard Pressure Vessel Solutions by Leading China Suppliers and Factory for Multiple Industries Manufacturers, Factory

Custom-designed shell-and-tube configurations, reactors, and storage solutions built to survive extreme pressure differentials.

Pet Hydration Safe Treatment

China Environmentally Friendly Pet Hydration Chamber - China Factory Suppliers for Safe Pet Treatment Solutions Manufacturers, Factory

Corrosion-resistant medical containment chambers supporting high-hygiene biological protocols.

Hebei Hongke Qingneng Environmental Protection Equipment Co., Ltd.

Established in June 2021 with a registered capital of 78 million yuan, our operations reside in the core industrial base of the Sanhe Economic Development Zone, Langfang City.

We are a technological vanguard specializing in the R&D and manufacturing of energy conservation, cryogenic recovery, and environmental protection equipment. Our engineering focus spans high-precision A2-level pressure vessels, medical waste steam sterilization plants, laboratory animal residues treatment equipment, biological wastewater neutralizers, and skid-mounted purification and liquefaction modules (covering Coalbed Methane, Shale Gas, and Natural Gas).

Additionally, we lead the industry in key VOC treatment technologies, chemical tail gas processing, ultra-low temperature industrial refrigeration (-40℃ to -180℃), and helium extraction from BOG (Boil-Off Gas) tail streams. Driven by science and engineered for reliability, we deliver world-class infrastructure to global industries.

Hebei Hongke Qingneng Manufacturing Facility

Global Procurement Demands in Pressure Regulation & Safety Vessels

Crucial guidelines for procurement managers, project managers, and EPC contractors seeking reliable flow control and pressure retention equipment.

High Regulatory Compliance & Codes

Global procurement requires strict compliance with international codes such as ASME Section VIII Div 1/2, European PED 2014/68/EU, and Chinese national standard GB150. Our factory holds the highly selective A2-level pressure vessel manufacturing license, ensuring safety margins conform to worldwide regulations.

Material Integrity & Traceability

For high-pressure gases and corrosive mediums (like H2S and CO2), standard grades fall short. We provide 100% material traceability reports (MTRs) for premium alloys, including SS304, SS316L, Duplex Stainless Steels (2205/2507), and Hastelloy, with full ultrasonic and radiographic validation.

Pre-tested Skid Customization

Modern plants minimize on-site labor via plug-and-play modules. Our expert engineering division delivers complete pre-tested skid-mounted systems—combining pressure regulators, heat exchangers, valves, and control systems within a robust structural frame, ready for immediate hookup.

78,000,000 Registered Capital (CNY)
A2 License Pressure Vessel Fabrication Standard
50+ Sets Skid Liquefaction Plants Built
20+ Patents Independent Intellectual Property

Tsinghua & CAS-Backed R&D Team

Our technological advantage is rooted in elite scientific leadership. Our team translates fundamental thermodynamic physics into highly efficient industrial applications.

Sun Zhaohu

Founder & Chairman | Ph.D., CAS

Dr. Sun obtained his doctorate from the Institute of Physics and Chemistry Technology, Chinese Academy of Sciences (CAS). As a national senior engineer, he has presided over the National 863 Program, the Natural Science Foundation, aerospace, and defense projects. Winner of the 2013 China Coal Industry First Prize and the 2015 Chinese Society of Refrigeration Special Prize. He holds over 20 proprietary patents applied to major energy programs across Asia.

Zou Xin

General Manager | Ph.D. Candidate, Senior Engineer

Senior Engineer at CAS, Zou Xin has managed market expansion and manufacturing integration for over a decade. He has undertaken "12th Five-Year" national science and technology projects and aerospace initiatives, publishing 24 academic papers (11 indexed in SCI/EI). He is a co-recipient of the 2015 Chinese Society of Refrigeration Special Award and the 2017 Silver Medal at the China International Industry Expo.

Cheng Kuwei

Chief Engineer | Doctor of Engineering, CAS

Dr. Cheng’s foundational work on the "Technology Development and Application of Skid-mounted Natural Gas Liquefaction Units" earned the Beijing Science and Technology Award First Prize (2016). His research in phase change heat transfer characteristics and multi-component mixed working fluids underpins our industrial refrigeration designs.

Macro-Industry Solutions & Strategic Technology Roadmap

Bridging the gap between environmental compliance and cost-effective raw gas utilization across key global sectors.

1. Natural Gas, Shale Gas & CBM Purification

Raw gas from wells contains acidic elements ($H_2S$, $CO_2$) and heavy hydrocarbon fractions that damage pipeline systems. Our integrated skid-mounted liquefaction and purification lines combine:

  • Deacidification Units: MDEA absorption columns that reduce $CO_2$ and $H_2S$ to parts-per-million levels.
  • Molecular Sieve Dehydration: Deep drying systems ensuring dew points down to -100℃ to prevent hydrate formation in cryogenic lines.
  • Boil-Off Gas (BOG) Helium Recovery: Extracting ultra-rare helium from cryogenic storage tank vapors to maximize economic yield.

2. Bio-Waste Processing & Thermal Autoclaves

Medical waste and laboratory animal carcasses present critical bio-safety risks. Our high-temperature steam sterilization systems apply direct mechanical and thermal hydrolysis to denature proteins and pathogens reliably:

  • Mobile Skids: Rapidly deployable containment models for bio-hazard zones.
  • Centralized Plants: Heavy-duty, high-capacity vacuum autoclaves with automatic PLC controls that record and guarantee complete decontamination runs.
  • A2 Pressure Integrity: Multi-layered protection seals designed to withstand continuous operating temperatures up to 150℃.

Technical Roadmap & Future Outlook

As global energy grids pivot toward hydrogen and low-carbon solutions, Hongke Qingneng is expanding its R&D into Liquid Hydrogen (LH2) pressure vessels, carbon capture skids, and ultra-high-pressure valve regulations. Utilizing our unique cryogenic phase-change models developed at the Chinese Academy of Sciences, we are optimizing the power density and thermodynamic efficiency of mixed-refrigerant cycles. This will decrease the electrical consumption of regional scale liquefaction facilities by up to 15% over the next decade.

Unrivaled Manufacturing Advantages

Built on engineering integrity, regulatory licenses, and high-performance industry output.

Environmental Protection Icon

Bio-Safety & Waste Management

Centralized & mobile steam sterilizers, and animal carcass hydrolysis reactors engineered for biosafety level 3/4 compliance.

Natural Gas Processing Icon

Natural Gas Engineering

Fully integrated skids for deacidification, molecular sieve dehydration, heavy hydrocarbon separation, and liquefaction plants.

Non-Standard Vessel Icon

Non-Standard Vessels

A2 classification pressure vessels, custom experimental rigs, high-efficiency heat exchangers, and double-walled buffer tanks.

Refrigeration Icon

Cryogenics & Chillers

Extreme industrial refrigeration units (-40℃ to -180℃), vacuum cold traps, freeze dryers, and low-temp condensation systems.

Global Project Deployments & Case Studies

Discover how our systems perform under real-world, demanding industrial requirements.

Laboratory Animal Residue Treatment

Laboratory Animal Residue Harmless Treatment

High-temperature thermal hydrolysis unit deployed at a major medical university to process pathogenic research residues.

Mobile Medical Waste Treatment

Mobile Medical Waste Disposal System

A containerized unit for emergency regional disinfection, utilizing automatic steam validation controls.

Well Gas Liquefaction Project

$M^3$/d Well Gas Liquefaction Project

Skid-mounted natural gas purification and condensation setup implemented in a remote gas field.

Centralized Medical Waste Treatment

Centralized Medical Waste High-Temp Steam Treatment

An industrial scale autoclave facility handling tons of biohazard packaging daily with zero gaseous leaks.

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Technical Engineering Showcase 2
Technical Engineering Showcase 3
Technical Engineering Showcase 4
Quality Management Testing NDT Inspection Area

Rigorous Quality Assurance & International Certifications

At Hongke Qingneng, quality control is integrated into every step of the engineering workflow, from material procurement to non-destructive testing (NDT).

  • A2-Level Vessel License: Approved for high-pressure manufacturing by the Special Equipment Safety Supervision Bureau.
  • Quality Management: Operating under GB/T19001-2016 (equivalent to ISO 9001:2015).
  • Petrochemical Approval: Audited and certified for Sinopec HSSE & CNPC Health, Safety and Environment Management Systems.
  • Municipal R&D Platform: Certified as Langfang municipal R&D technology station.

We implement multiple testing protocols, including radiographic testing (RT), ultrasonic testing (UT), magnetic particle testing (MT), liquid penetrant testing (PT), and hydrostatic pressure tests. Every vessel is delivered with a complete documentation package, ensuring smooth local regulatory compliance.

Technical Q&A: Pressure Vessel & Regulatory Systems

Detailed engineering answers addressing structural integrity, manufacturing practices, and international code compliance.

What does the Chinese A2-level pressure vessel design and manufacturing license cover?

The A2-level classification is a major industrial license issued in China. It permits the manufacturer to engineer and fabricate low, medium, and high-pressure vessels (specifically, class III pressure vessels). This category includes heavy duty reactors, complex shell-and-tube heat exchangers, high-capacity gas storage columns, and jacketed process vessels.

How does Hongke Qingneng optimize mixed refrigerant cycles in skid-mounted LNG equipment?

Through the engineering leadership of our CAS and Tsinghua University alumni, we apply advanced models to calculate multi-component phase change heat transfer. By utilizing specific thermodynamic ratios of nitrogen, methane, ethylene, propane, and isopentane, our designs ensure optimal heat exchange coefficients inside cold boxes, significantly reducing the energy required for liquefaction.

What options are available for custom material fabrication for high-corrosive gas flows?

We provide custom metallurgy depending on chemical compositions. For standard wet $H_2S$ services, we construct vessels from carbon steel with post-weld heat treatment (PWHT) and HIC (Hydrogen-Induced Cracking) testing. For high chloride or severe acid environments, we build solid or clad structures using 316L, 2205/2507 duplex stainless steel, or superalloys like Hastelloy C276.

How does the biological waste treatment equipment guarantee total containment?

Our medical and laboratory carcass treatment vessels utilize double-seal mechanical doors, automated vacuum tightness checks, and high-efficiency particulate air (HEPA) filtration of vent exhaust. The thermal hydrolysis sterilization process applies high-pressure steam directly to achieve full thermal denaturation, meeting global biosafety level requirements.

Our Core Engineering Solutions - Part II

Continuing our showcase of advanced industrial gas treatment, liquefaction, and sterilization systems built for demanding operations.

Desulphurisation equipment

China Desulphurisation equipment Suppliers, Supplier

Industrial gas desulfurization systems providing reliable sulfur extraction to protect gas pipelines.

Liquefaction Plant Solutions

China Liquefaction Plant Solutions: Comprehensive Services from Leading Suppliers and Factory Experts

Complete engineering services from feasibility planning to manufacturing skid-mounted cold boxes.

Hydrolysis Treatment Equipment

China High-Temperature Hydrolysis Treatment Equipment for Laboratory Animal Carcasses - China Suppliers & Factory Supplier, Factory

High-pressure carcass sterilizers utilizing alkaline/thermal hydrolysis to ensure total biosafety compliance.

Medical Waste Treatment

High-Quality Centralized Medical Waste High-Temperature Steam Treatment Equipment from China Suppliers & Factory

Engineered steam autoclave facilities designed to sanitize massive daily medical waste streams.

Mobile Skid-Mounted LNG Plant

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

Pre-commissioned mobile skids designed to monetize gas resources and minimize flare operations.

Skid-Mounted LNG Equipment

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

Fully optimized cryogenic liquefaction platforms engineered to thrive in extreme ambient conditions.

Partner with China's Premier Engineering Authority

From custom A2 non-standard pressure vessels to multi-component cryogenic gas purification systems, we provide tailor-made designs optimized by leading scientists. Get in touch with our engineering team today.

Submit Engineering Inquiry

Langfang City, Hebei Province, China. Registered Capital: 78 Million Yuan.