Material: high-quality alloy steel

Surface treatment: self-color, polishing, biack, plastic coating. hot-dip.galvanized,otc.

Manufacture standard: ISO.DIN.BS.JIS.ASTM

Quality Grade:G80,G100

Safety factor: min 4 times

Product marking: G80 or required by client. We also can make tho non-standard chain according to the clients’ requirements.