How can we help your lift?

Find answers regarding WLL, safety factors, and custom fabrication, or contact our engineering team directly for bulk orders.

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Safety & Standards

What is the safety factor for your polyester round slings? keyboard_arrow_down
Our polyester round slings are manufactured with a strict 7:1 safety factor (SF) in accordance with EN 1492-2 standards. For US markets, we also adhere to ASME B30.9 guidelines which typically mandate a 5:1 design factor. Always refer to the specific tag on the sling.
How often should lifting slings be inspected? keyboard_arrow_down
Inspections should occur at three intervals:
  • Initial: Before first use.
  • Frequent: Before each shift or lift by the user.
  • Periodic: A complete inspection by a designated person at least every 12 months, or more frequently based on severity of service.
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Product & Ordering

Do you offer custom lengths for heavy-lift projects? keyboard_arrow_down
Yes. While we stock standard lengths up to 20 meters, our manufacturing facility can produce custom continuous loops or eye-and-eye slings up to 60 meters and 500T capacity within 3-5 business days. Please use the contact form for specific engineering requirements.
What color codes do you use for tonnage capacity? keyboard_arrow_down
We follow the international color coding standard:
1T Purple 2T Green 3T Yellow 4T Grey 5T Red 10T+ Orange
verified ISO 9001 Certified
verified_user ASME B30.9 Compliant
engineering LEEA Member

Request a Bulk Quote

Direct from the manufacturer. Responses within 24h.

Contact (#8)
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Global HQ & Fabrication Plant

Hangzhou, China

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