confirmation of order meaning in Chinese

订货承诺书
订货确认书
确认订单

We confirm having purchased from you man ' s shirts , for which a confirmation of order is enclosed for your reference
我方确认已向你方订购男式衬衫，随函附上订购确认书二份，供参考。
Payment unless otherwise specifically agreed is to be made by letter of credit established telegraphically immediately upon receipt of confirmation of order
对此付款，如无其他特别规定，收到订货确认书后，应立即用电报开出信用证。
An establishment is considered to have ordered or purchased goods , services or information through electronic means if the confirmation of order or purchase is completely done through electronic means
机构单位如有透过电子途径确认整个预订或购买过程，便会视为有透过电子途径预订或购买产品、服务或资料。