1、Material: high-quality alloy steel
2、Surface treatment: self-color, polishing, black, plastic coating,hot-dip,galvanized, etc
3、Manufacture standard:ISO.DIN.BS.JIS.ASTM
4、Quality Grade:G80,G100
5、Safely factor: min 4 times
6、Product marking: G80 or required by client.We also can make the non-standard chain according to the clients' requirements.