Leeden Gases
Malaysia’s Leading Industrial, Healthcare, Electronics & Specialty Gases Supplier.
Leeden Gases Sdn Bhd (Leeden Gases Group), incorporated in 1996, is a subsidiary of Leeden National Oxygen Ltd (Leeden NOX), headquarter in Singapore, and a proud member of Nippon Sanso Holdings Group (NSHD).
Leveraging NSHD and Leeden NOX’s cutting-edge gas technologies, Leeden Gases Group is committed to delivering high-quality services to customers across diverse industries, including Electronics, Engineering, Petroleum, Chemicals, Marine, Aerospace, Healthcare, Food Processing, Pharmaceuticals, Semiconductors, and Metallurgical sectors.
Our extensive presence spans the Central, Southern, and Northern regions of Peninsular Malaysia, as well as Sabah and Labuan in East Malaysia. As part of the Leeden Gases Group, Mega Mount Industrial Gases Sdn Bhd and Sabah Oxygen Sdn Bhd further expand our nationwide reach and service capabilities.
Overview of our Gas Business
Manufacturing
Air Separation Plant
Liquid CO₂ Plant
Gas Refilling
Medical Gas
Asia Specialty Gas Centre
Dissolved Acetylene
Dry Ice Plant
Silane Plant
Mirakn
Distribution
Specialty Gas Warehouse
Service
Engineering & Consultancy
Project Management
Total Gas Management
Our Facilities
Leeden Gases (Lunas)
Warehouse
Warehouse
Leeden Gases (Shah Alam)
Transfilling
Transfilling
- Industrial Gases
- Medical Gases
- Mixture Gases
Leeden Gases (Shah Alam)
Asia Specialty Gas Centre (ASGC)
Asia Specialty Gas Centre (ASGC)
Mega Mount (Malacca)
Warehouse
Warehouse
Mega Mount (Senai)
Transfilling
Transfilling
- Industrial Gases
- Medical Gases
- Acetylene Plant
Leeden Gases (Gebeng)
- Liquid CO2 Plant
Leeden Gases (Kuantan)
Transfilling
Transfilling
- Industrial Gases
Leeden Gases (Kerteh)
- Liquid CO2 Plant
Sabah Oxygen (Labuan)
Transfilling
Transfilling
- Industrial Gases
- Medical Gases
- Acetylene Plant
Sabah Oxygen (Kota Kinabalu)
ASU
ASU
- Industrial Gases
- Medical Gases
- Acetylene Plant
Sabah Oxygen (Tawau)
Transfilling
Transfilling
- Industrial Gases
- Medical Gases
Sabah Oxygen (Sandakan)
Warehouse
Warehouse
Our Gas Solutions
Industrial Gas
Leeden Gases Group is a trusted leader in the industrial gas industry, delivering end-to-end gas solutions across Malaysia.
Our solutions are designed to align with customers’ usage patterns, safety standards, and operational efficiency, offering flexible supply modes tailored to different applications and demands.
Supply of gases
- Gas Cylinders (low to medium gas consumption)
- Pipelines (very high and uninterrupted gas usage)
- Pressure Swing Adsorption (high gas purity and reliability without need for transportation or storage)
Supply of liquefied gases
- Tank Trucks (higher and more consistent gas demand, bulk supply)
Healthcare
As a leading medical gases supplier, we are a trusted provider of high-quality and NPRA-registered medical gases, supporting hospitals (public and private), clinics, and research institutions across Malaysia.
Medical Gases
- Medical Oxygen (MO₂) for VitoLife
- Medical Air (MA)
- Medical Carbon Dioxide (CO₂)
- Nitrous Oxide (N₂O)
- Nitrous Oxide and Oxygen Mixture
- Inhaled Nitric Oxide (iNO) and NOXtec
- Diffusing Capacity Test Gas (DLCO)
Certification
- ISO 13485
Certified to the international standard for quality management systems in the design, production, and distribution of medical gases. - GDPMD (Good Distribution Practice for Medical Devices)
Approved by Malaysia’s Medical Device Authority (MDA) for the safe handling, storage, and distribution of medical products.
Specialty Gas
At our Asia Specialty Gas Centre (ASGC), we engineer high-purity gases and custom gas mixtures for industries across Malaysia and the Asia-Pacific region.
Our state-of-the-art gas facility is equipped with high-precision filling stations, comprehensive data management and traceability systems, stringent safety protocols, environmental protection measures, and advanced gas chromatography – ensuring every gas mixture meets the highest standards of accuracy, certification, and long-term stability.
Gas Applications
- Electronics Manufacturing
- Semiconductor Manufacturing
- Laboratories
- Analytical Centers
- Oleochemicals
- Petrochemicals
Electronics & Semiconductor Gases
Committed to delivering the highest quality products, we provide a comprehensive range of reactant, corrosive, and dopant gases essential for semiconductor manufacturing.
Gas Applications Specific Electronic Gas Solutions
Deposition
- GeH₄
- H₂Se
- H₂S
- N₂O
- SiH₄
- SiH₂Cl₂
- SiHCl₃
- SiCl₄
- WF₆
- DMAH
- NH₃
- O₂
- CO₂
Ion Implant / Dopants
- PH₃
- AsH₃
- BF₃
- B¹¹F₃
- PF₅
- SiF₄
- B₂H₆
Etching & Ion Milling
- HCl
- Cl₂
- CO
- BCl₃
- Ar
- Kr
- Xe
- Ne
- SF₆
- CH₄
- NF₃
- CHF₃
- C₄F₈
- C₃F₈
- HI
- HBr
- CH₃F
Reactor Cleaning
- C₂F₆
- NF₃
- CHF₃
- SF₆
- CF₄
Sourcing & Distribution
- Ar
- N₂
- H₂
- He
Specialty Gas Mixture Grade
| Range | Premium Standard | Primary Standard | ||
| Blend | Analytical | Blend | Analytical | |
| >5.0% | ± 5.0% | ± 1.0% | ± 2.0% | ± 0.02% |
| 0.1% – 5.0% | ± 10.0% | ± 5.0% | ± 2.0% | ± 1.0% |
| 100ppm – 999ppm | ± 10.0% | ± 5.0% | ± 5.0% | ± 1.0% |
| 5ppm – 99ppm | ± 10.0% | ± 5.0% | ± 5.0% | ± 1.0% |
| 1ppm – 4.9ppm | ± 20.0% | ± 10.0% | ± 10.0% | ± 1.0% |
| <1 ppm | ± 25.0% | ± 15.0% | ± 20.0% | ± 2.0% |
Laboratories Gases
We specialise in blending high-precision specialty gas mixtures tailored for analytical instrumentation, including gas chromatographs, mass spectrometers, and spectroscopy systems.
LABORATORY AND ANALYTICAL APPLICATIONS
- Calibration Mixtures
- Internal Standards
- EPA protocol mixtures
- Natural Gas Standards
- Laser Gases
Ultra High Purity (UHP) Gases
Driven by a commitment to continuous innovation, our team actively explores advancements in internal cylinder treatment to further enhance gas purity and performance to meet the stringent requirements of various applications.
UHP GAS SUPPLY
- Available in both individual cylinders and manifold cylinder pallets, our gases achieve purity levels of 99.9995% (5.5N), 99.9999% (6N), and beyond—ensuring exceptional accuracy and reliability for high-precision analytical measurements.
Engineering
At Leeden Gases, we go beyond gas supply—we deliver end-to-end engineering solutions to ensure safe, efficient, and uninterrupted gas operations for your facility.
Backed by decades of industry experience, our dedicated engineering team offers comprehensive technical services tailored to your operational needs, compliance requirements, and performance goals.
Cryogenic tank installation & maintenance
We specialise in the complete setup and lifecycle management of Vacuum Insulated Evaporators (VIE) for cryogenic gas storage. Our services include initial installation, system purging, valve replacements and periodic safety inspections to maintain system integrity and performance.
With integrated telemetry, our systems enable real-time gas level monitoring and support timely refills, reducing the risk of supply disruptions.
Industrial gas piping & gas purification solutions
We design, build and commission industrial gas piping systems engineered for safety, compliance and operational efficiency. Each gas solution is configured to fit facility’s specific progress requirements with minimal downtime.
We also supply advanced gas purification systems designed to remove contaminants, supporting high-purity gases use in sensitive applications and environments across various industries.
Gas quality assurance & analysis
Every batch of specialty gases is delivered with a Certificate of Analysis (COA), verifying product purity and consistency.
Our in-house analytical laboratories are equipped to conduct high-precision testing for industrial, medical, and specialty gases, ensuring strict adherence to customer specifications and international quality standards.
Additional engineering services
- Cryogenic pump and vaporiser servicing for uninterrupted gas supply
- Customised telemetry integration for real-time tank and system monitoring
- Regulatory compliance support, including periodic inspections and documentation
Contact Us
Leeden Gases Sdn Bhd
Address
Lot 5074 & 5075,
Jalan Jangur 28/43,
Seksyen 28,
40400 Shah Alam,
Selangor Darul Ehsan,
Malaysia
Contact number
+603 5522 8288 (Hotline)
+603 5522 8222 (Hunting Line)
Fax
+603 5522 8223
Mega Mount Industrial Gases Sdn Bhd
Address
Plo 192, Jalan Cyber 8,
Kawasan Perindustrian Senai Fasa 3,
81400 Senai,
Johor Darul Ta’zim,
Malaysia
Contact number
+607 599 8388
Fax
+607 599 0088
Sabah Oxygen Sdn Bhd
Address
Lot No. 30,
Jalan 2A KKIP Timur,
Industrial Zone 12 (IZ12),
Kota Kinabalu Industrial Park,
88460 Kota Kinabalu,
Sabah, Malaysia
Contact number
+6088 415 455
+6088 415 509
+6088 415 662
Fax
+6088 415 980 (Sales)
+6088 496 686 (General)
