bank to bank

• The exchange of proof of product , proof of funds , delivery of au metal documents and payment for the au metal delivered shall be executed strictly on a bank to bank basis under full banking responsibility of the seller ' s and buyer ' s bank
  产品证明、资金证明、递交黄金贵金属所需文件与递交黄金贵金属所需付款的互换，将严格地执行于银行对银行的形式，并由卖方与买方银行全权负责。