Conforming to ANSI,DIN,JINS,ISO standard and processing according to the customer's requirements. More will see below. Specifications 1. alloy steel (G80) 2. Diameter: 6-42mm 3. GB5802-86 4. high quality and reasonable price1. Chains sling is a lifting chain is widely used in steel factories, steel pipe factories, petrol pipe installing companies, construction site, wharf and dock etc, loading ...