buy 99.99 pure copper chain

we buy several kg of chian which is brass 、 now we need manufacture to make for us 99.99 pure cu chain if any one can do please send few pic of what styles you can do and .........please send normal price . all fancy prices will be permanently blocked pls note any manufacture that inform us that they can manufacture pure copper chain pls note that we have to assay test every consignment silvio vassallo