... Production standards: ISO4878 international standard, European standard EN1492-1: 2000, JB/T-8521 Lifting capacity: 1t, 2t, 3t ... 40t Sling width ... Production standards: ISO4878 international standard, European standard EN1492-1: 2000, JB/T-8521 Lifting capacity: 1t, 2t, 3t ... 500t Different sling ...