Customers in their country of BV agency to apply for a test number, such as manufacturers of goods from Ningbo, client countries BV agency will make contact BV inspection company in Ningbo, fax a copy of the information above to fill in the specific inspection time, accurate to the date time, address, contact information such as telephone, mention the BV number back after (and a packing list) to confirm, if you have any change, the inspection time to call one working day in advance notice, if there is a heavy inspection, inspection fee usd 300, inspection, to provide the final packing list and invoice, so that the BV agency issue a formal report for importers customs clearance.