Tech R&D & Custom Solutions
Full-Process EPC Turnkey Services
Resource Integration
Overseas Project Experience
About Us
HANGZHOU SINNA GAS EQUIPMENT CO., LTD, founded in 2015 with 10 million CNY registered capital in Hangzhou, is a high-tech enterprise offering EPC-oriented services (R&D, design, manufacturing, contracting). With 80% core R&D personnel and ISO9001 certification, it provides industrial gas devices, automation solutions and core equipment.
Have a project team with over 30 years of overseas project experience
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Provide customized solutions and full-process technical support
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Customer-oriented and honest-win-win service philosophy
Product Center
- Oxygen Plant
- Nitrogen Plant
- Hydrogen Plant
- Air Dryer
- Natural Gas Plant
Item: Oxygen Gas Plant
Capacity: 10 ~ 100,000 Nm³/h
Pressure: Normal pressure ~ 20.0 MPaG
Product...
Item: Liquid Oxygen Plant
Capacity: 100 ~ 100,000 Nm³/h
Pressure: Normal pressure ~ 20.0 MPaG...
Item: Helium Plant
Capacity: 1 ~ 100,000 Nm³/h
Pressure: Normal pressure ~ 15.0 MPaG
Product...
Item: Cryogenic Liquid Oxygen Plant
Capacity: 50 ~ 80,000 Nm³/h (liquid oxygen output, equivalent to gaseous...
Item: PSA Oxygen Generation Plant
Capacity: 10-6,000 Nm3/h
Pressure: Normal pressure ~ 20.0 MPaG...
Item: VPSA Oxygen Generator
Capacity: 100-40,000 Nm3/h
Pressure: Normal pressure ~ 20.0 MPaG...
Item: Membrane Nitrogen Generator
Capacity: 0.1 ~ 500 Nm³/h
Pressure: 0.1 ~ 1.6 MPaG
Product...
Item: PSA Nitrogen Plant
Capacity: 5-3,000 Nm3/h
Pressure: 0.01~0.9MPaG
Product purity: N2...
Item: Liquid Nitrogen Production Plant
Capacity: 300 ~ 100,000 Nm³/h
Pressure: Normal pressure ~ 20.0...
Item: Cryogenic Nitrogen Plant
Capacity: 300 ~ 250,000 Nm³/h
Pressure: Normal pressure ~ 20.0 MPaG...
Item: Hydrogen Generation Plant
Capacity: 1~200,000Nm3/h
Pressure: Normal pressure-3.0MpaG...
Item: PSA Unit For Hydrogen Production
Capacity: 3000-250,000 Nm3/h
Pressure: 1.5~5.5MPaG...
Item: Green Ammonia Production Plant
Capacity: 50 ~ 500,000 tons/year
Pressure: 15 ~ 30 MPaG...
Item: Hydrogen Electrolyzer Plant
Capacity: 1~3,000Nm3/h
Pressure: Normal pressure – 3.0MpaG...
Item: Heated Air Dryers
Heated air dryers are essential devices used to remove moisture from compressed air...
Item: Regenerative Desiccant Air Dryer
Applicable fluids: compressed air, non-corrosive air
Rated...
Item: Heatless Regenerative Desiccant Air Dryers
Applicable fluids: compressed air, non-corrosive air...
Item: Membrane Dryers for Compressed Air
Capacity: 0.1 ~ 500 Nm³/min
Pressure: 0.5 ~ 16.0 MPaG...
Item: Adsorption Air Dryers
Adsorption air dryers are essential devices used to remove moisture from...
Item: Refrigerated Air Dryer
Operation parameters:
Operating Pressure: 0.5 to 1.6 MPa(G)...
Item: Natural Gas Processing Plant
Capacity: 100 ~ 2,000,000 Nm³/d
Pressure: 2.0 ~ 10.0 MPaG...
Item: Liquefied Natural Gas Plant
Capacity: 50,000 ~ 10,000,000 tons/year
Product purity (methane...
Item: Compressed Natural Gas Plant
Capacity: 5,000 ~ 500,000 Nm³/d
Pressure: 20.0 ~ 25.0 MPaG...
Item: Natural Gas Separation Plant
Capacity: 50,000 ~ 1,000,000 Nm³/d
Pressure: 3.0 ~ 8.0 MPaG...
Item: LNG Regasification Plant
Capacity: 50,000 ~ 10,000,000 tons/year
Pressure: 4.0 ~ 7.0 MPaG...
Item: CNG Gas Production Plant
Capacity: 3,000 ~100,000 Nm³/d
Pressure: 20.0 ~ 25.0 MPaG...
Environmental Protection
Water Treatment
Steel
Petrochemical Industry
Chemical Industry
Customer Customization
We strictly adhere to national standards and regulations as well as customers' core needs to provide customized design services.
We develop refined design plans tailored to different project scenarios.
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Our professional team provides one-on-one exclusive consulting services throughout the process.
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We adjust the plan in real time according to your feedback, to fully meet your personalized requirements.
News Center
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![Top 10 Nitrogen Plant Manufacturers]()
Mar09, 2026Top 10 Nitrogen Plant Manufacturers2026 Top 10 nitrogen plant Manufacturers in China Introduction to Nitrogen Plant A nitrogen plant is a facility that produces nitrogen gas through various me...
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![HANGZHOU SINNA GAS EQUIPMENT CO., LTD. Has Successfully Passed The Annual Review Of ISO9001 Certi...]()
Jun21, 2024HANGZHOU SINNA GAS EQUIPMENT CO., LTD. Has Successfully Passed The Annual Review Of ISO9001 Certi...The certification body dispatched a team consisting of four experts, who spent a full week conducting a detailed review of SNNA's performance in the past yea...
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![Diaphragm Hydrogen Compressor Successfully Passed FAT Certification]()
Oct23, 2023Diaphragm Hydrogen Compressor Successfully Passed FAT CertificationOn October 23, 2023, SNNA's "hydrogen membrane compression unit" successfully completed the FAT (factory acceptance test).
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![50000Nm3/h PSA Unit Project Acceptance]()
Mar28, 202350000Nm3/h PSA Unit Project AcceptanceThe 50,000 Nm3/h PSA Unit is a hydrogen purification project that SNNA started in July 2023 and successfully delivered in July 2024. During the cooperation w...
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