Supervised and certified quantity and quality by AH Knight or Alex Stewart Assayers, according strictly to International Inspection standard. From our Forwarder / Carrier SDV International Logistics warehouses in all major Ports worldwide. We sell CIF, payable by irrevocable, confirmed, divisible, transferable / transferred "at sight" Letter of credit, (revolving in case of renewable contracts) , to our Standard Chartered Bank in Hong Kong.