18mm size black chain ,blacken chain ,oxside black chain ,g80 load chain

Name: grade 80 alloy steel Lifting Chains producers

1.Sizes: 6mm to 20mm, alloy steel 20Mn2

2.Length:any length is ok

3.Surface: self-color,polishing,black,plastic coating,hot-dip,zinc plated,etc.

4.Safety factor:4:1

5.Advantage: resistant to corrosion &rust; durable.

6.OEM is welcome

7.Equipment: automatic knitting chain machine, automatic welding machines, automatic correction machine,

heat treatment machine,loading test machine,polish machine

8.Marking: usually mark G80 every 6 chain,we can also do as required.

9. We also can make the non-standard chain according to the clients` requirements.