1.Standard:DIN
2.Material:304/316(A2 or A4) Stainless Steel,low carbon steel,45#,50#,65Mn.Brass/Copper etc.
3.Surface treatment:Plain/Polished,Galvanized Zinc(BLUE,YELLOW,WHITE),H.D.G,Black,Phosphided.etc

4.Our advantage:1.competitive price.sound quality
                2.short delivery time,long quality guarantee validity
                3.free samples before orders