... bicycle chain/bike chain /rollar chain colored bike chains, titanium bike chain, plastic bike chain, Industrial Chain, conveyor roller chain, double pitch conveyor roller chain, transmission chain, driving chain, motorcycle chain ... :1pc/pp bag,white or color inner box ,then pack in standard export carton or ... case,also can packing as your requirementThe chain technic is as bellow1)shot peening2)bluing3 ...