Liquefied Petroleum Gas (LPG) logistics demands the highest tier of pressure vessel engineering. ZW Group’s LPG semi-trailers are designed as high-pressure safety systems, ensuring the secure transport of propane and butane across long distances and varying environmental conditions.


ZW Group is an ISO-certified leader in pressure vessel manufacturing. We specialize in high-capacity gas transport solutions for the global energy sector, prioritizing explosion-proof engineering, precision welding, and comprehensive safety monitoring systems.
This LPG Tanker is manufactured using specialized Q345R pressure vessel steel with a 12mm shell thickness. Featuring automated submerged arc welding and heat treatment (annealing), our tanks are built to withstand high design pressures while maintaining structural flexibility to prevent stress fractures. Designed specifically for the carriage of flammable hydrocarbons such as LPG, butane and propane, the tanker integrates proven components from recognized brands to assure operational reliability.

Engineered for the safe, efficient carriage of liquefied propylene and other LPG commodities, this trailer is ideal for bulk propylene transport semi trailer operations serving regional distribution terminals, industrial feedstock delivery, and large-volume supply chains. It is equally suited as a liquefied propylene gas tanker for petrochemical plants, energy depots, and third-party logistics fleets specializing in pressurized propellant handling.
ZW Group’s design emphasizes payload efficiency and lifecycle economy. The monocoque tank geometry lowers the center of gravity to improve road handling while maximizing usable volume within legal chassis envelopes. Stress-relieving annealing and controlled heat treatments reduce residual welding stresses and extend fatigue life, lowering whole-life maintenance cost. These design choices translate into improved fuel efficiency per tonne-kilometer and reduced insurance exposure for operators moving hazardous propylene and LPG loads.
Every trailer undergoes comprehensive factory acceptance testing including 100% X-ray inspection of critical welds, hydraulic pressure testing (to 2.1 MPa), and airtightness verification. Components are sourced from reputable global brands: FUWA axles and suspension, JOST landing legs and kingpin hardware, WABCO relay valves and KEMI ABS components. ZW Group supplies full technical documentation, operator training, and a global spare parts network to support uptime across export markets including Africa and the Middle East.
Choosing ZW Group means partnering with a manufacturer focused on pressure-vessel safety, regulatory compliance, and production consistency. As a China propylene LPG tank trailer supplier with extensive export experience, we maintain strict material traceability, robotic welding processes, and environmental controls on fabrication to meet DOT, ADR and other regional standards for pressurized propellant transport. Our emphasis on using well-known branded components reduces downtime and simplifies maintenance logistics for fleet operators.

Units are fabricated in dedicated pressure-vessel workshops under ISO procedures and receive anti-corrosion surface treatments prior to shipment. Finished tankers are professionally crated or lashed and shipped by RORO or container as appropriate, with complete test records and export documentation to facilitate customs clearance and operator commissioning at destination.

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FAQ
Yes, we provide a wide range of LPG transport solutions from 40m³ to 60m³ depending on your local axle load regulations.
We perform 100% X-ray weld inspection and ultrasonic flaw detection on every unit to guarantee structural integrity.
Each trailer is fitted with Rochester magnetic level gauges, high-precision pressure gauges, and dual safety relief valves.
Our tanks are engineered for high-pressure loads, typically ranging from 1.61 MPa to 1.77 MPa.
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