1.Material: carbon steel, stainless steel. 2.Suface: self color, black, electro galvanize, hot dip galvanize... Medium ... Standard, Korean Standard, and etc.* Material: carbon steel* Sizes: 2 mm to 12 mm*.Reference price:$800-900 per ton FOB Tianjin ... .Product mainly falls into 7 series with 300 varieties including Ø2.0mm to Ø25mm welded link chains, weldless chains,stainless steel ...