... short link high tensile chain SIZE: 6mm to 34mm we got ISO9001:2008 Fully automatic machine from Germany EN818-2 Lifting *Material:high-quality alloy ... steel*Surface treatment:self-color,Polishing,blackened,painted,plastic coating ,hop-dip galvanized, electro-galvanized,etc.*Quality Grade: ... UK and ChinaAdvanced technology from the UKself color short link high tensile chain