... good at many kinds of material. such as sterling silver, copper, alloy, pearl, opal, gemstone, and so on. About ... always happy to assist you here. Lead time:1, for stock order, we ship with in 3-5 day ... after we get payment.2, for OEM/ODM order, lead time is 15 days-25 ... order, MOQ for silver 50 pcs/style, MOQ for copper 100 pcs/style, MOQ for alloy 300 pcs/style, MOQ for stainless steel 100 ...