... 4.Customizable 5.OEM offer lc135 Galvanized sprocket CNC line powerful and trustworthy Brand:Qidong10Years of production experienceType ... ,BL546,LH0822,LL1044 TOP chain:TT,TS,TP --our technology-- Heat treatment process,Electric galvanizing process, Nickel plating process ... .405.081526.5 --factory visit----product show----production line--∞if you have any interest,please do not hesitate ...