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Shandong Chanyan Haikong Composite Material Co., Ltd – Global leader in LPG composite cylinder technology, delivering unmatched safety, durability, and innovation.
Confidence sealed within
Effortless handling every time
For decades, defying harsh conditions
Powering a sustainable future
As a world-leading innovator in LPG composite cylinders and production line solutions, Haikong composites LPG (Liquefied Petroleum Gas) storage technology through our proprietary structural designs. Unlike conventional LPG steel cylinders, our advanced composite solutions deliver superior performance and safety.
Engineered for exceptional structural integrity under high pressure
Patented triple-seal technology ensures perfect gas containment
Robust composite materials outperform traditional alternatives
Haikong composite LPG cylinders are dual-certified to international standards:
Trusted by clients across 40+ countries, our cylinders set new benchmarks for safety and reliability in the LPG industry.
Engineered for performance, safety, and sustainability. Explore our range of high-quality composite LPG cylinders designed for industrial, commercial, and domestic applications.
Ideal for domestic kitchens and small-scale usage.
Perfect for restaurants and medium-scale cooking.
High-capacity solution for commercial kitchens.
Industrial-grade cylinder for heavy-duty applications.
Maximum storage for large-scale operations.
Bulk storage with unmatched safety and portability.
Tailored solutions for OEMs and special applications.
Complete turnkey systems for manufacturing composite LPG cylinders.
Engineered with innovation, built for the future.
Composite materials resist high temperatures and do not propagate flames like steel, enhancing safety in fire-prone environments.
Lighter weight reduces transportation emissions. Materials are recyclable, supporting sustainable energy solutions.
Unlike steel, composites do not rust or corrode, ensuring long-term integrity even in humid or coastal regions.
Dramatically reduces handling fatigue and logistics costs. Ideal for remote or mobile applications.
Patented sealing system prevents gas leakage, ensuring maximum containment and user safety.
Outlasts traditional steel cylinders (typically 10–15 years), reducing replacement frequency and costs.
Countries Served
Service Life
Weight Reduction
Global Certifications
Yes. All Haikong composite LPG cylinders are dual-certified to ISO 11119-3:2013 and EN 14427:2022, meeting the highest international safety and performance standards.
Our composite cylinders have a service life of up to 30 years, significantly longer than traditional steel cylinders (typically 10–15 years), due to their resistance to corrosion and fatigue.
Yes. Composite materials are non-conductive and do not propagate flames. They are designed to withstand high ambient temperatures and are tested under extreme conditions.
Absolutely. Our 19L, 25L, and 33L models are widely used in industrial kitchens, manufacturing, and commercial heating systems due to their durability and safety.
Yes. We provide OEM and custom composite cylinder solutions from 5L to 50L, including branding, color, and technical specifications tailored to your needs.
Ready to upgrade to safer, lighter, and longer-lasting LPG solutions? Contact us today.
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