Our endless round slings are developed for demanding lifting tasks where surface protection, flexibility and stable load distribution are equally important.
From routine industrial handling to complex installation projects, endless round slings provide a practical and reliable solution for lifting heavy and irregular loads without damaging the load surface.
Engineered for a Wide Range of Lifting Capacities
In real projects, lifting requirements vary significantly. A sling used to position a production machine has very different demands from one used to handle large fabricated structures.
Our endless round slings are designed and produced across a wide capacity range and can be customized according to:
• required working load limit
• lifting configuration
• project application and environment
High-tenacity polyester yarn is used as the load-bearing core, providing an excellent balance between strength, flexibility and handling comfort. This material allows the sling to grip the load securely while maintaining a soft contact surface.
The Endless Loop Advantage
The endless construction is one of the most important design features of a round sling.
Unlike slings with sewn or spliced load-bearing sections, the continuous loop structure allows the lifting force to be distributed evenly around the entire sling.
This offers several practical advantages:
• reduced stress concentration inside the sling
• improved fatigue performance under repeated lifting
• the ability to rotate the sling and change the contact area, helping extend service life
For operators who carry out frequent lifts, this structural advantage directly supports long-term reliability.
Built with Load Protection in Mind
One of the key reasons endless round slings are widely adopted is their load-friendly design.
The internal polyester yarn core is fully enclosed by a protective sleeve. During lifting, the yarn fibers are free to spread and flatten in the contact zone. This creates a wider bearing surface on the load and helps:
• reduce surface pressure
• minimize scratches and coating damage
• improve stability on curved or irregular shapes
This makes endless round slings especially suitable for finished equipment, coated structures, machined components and sensitive assemblies.
Certified for International Lifting Applications
For professional lifting operations, compliance is essential.
Our endless round slings are manufactured in accordance with recognized international and regional standards, including:
• EN 1492-2
• JB/T 8521.2
• AS 4497.1
The products comply with relevant CE and GS requirements, allowing them to be used confidently in international projects and cross-border supply chains.
This ensures that customers operating in different markets can rely on consistent technical specifications and inspection practices.
Key Product Features at a Glance
Our endless polyester round slings are designed with practical site use in mind:
• abrasion-resistant protective sleeve to shield the load-bearing core
• clear and durable identification labels for traceability and capacity reference
• color coding to support quick visual identification of WLL
• low stretch behavior for stable and controlled lifting
Each feature supports safer and more efficient rigging work in real operating conditions.
Supported by a Professional Manufacturing System
Behind every endless round sling is a complete production process.
At NANJING D. L. T SLING Co., Ltd., manufacturing covers:
• polyester yarn selection
• core forming and sleeve production
• cutting and sewing
• final inspection and packaging
Strict process control is applied from raw material sourcing to finished product delivery. This helps ensure consistent performance not only for standard products, but also for customized slings produced for special lifting projects.
A Reliable Partner for Global Lifting Projects
Today, D. L. T SLING supplies endless round slings to customers in Europe, the United States, Australia, the Middle East and Southeast Asia. Our products are used by distributors, lifting service companies, construction contractors and industrial users.
Rather than focusing on one single product, we provide complete lifting solutions covering:
• endless round slings and eye-eye round slings
• webbing slings
• polyester webbing materials
• cargo control products and accessories
Ready to Improve Your Lifting Safety?
If you are looking for a professional and stable supplier of endless polyester round slings for your next lifting project, our technical team is ready to help you select the right configuration for your application.
Partner with NANJING D. L. T SLING Co., Ltd. and build safer, more efficient lifting operations with products designed for real working conditions.




