It is not reliable for Shengjing Bank to call for silver bars with its credit card. Because when buying any financial products, we should be alert to the existence of fraud. Do not provide personal banking information to any unreliable or unverified third party to avoid unnecessary losses. As a formal banking institution, Shengjing Bank has a reliable credit card business. You can call the customer service of Shengjing Bank directly to inquire about the service, related processes and precautions of buying silver bars.