请函的英文

• lelter of invitation

• 请:    request; ask
• 函:    case; envelope
• 邀请函:    einladung; invitation letter
• 报价邀请函:    request for quotations; rfq request for quotation
• 磋商邀请函:    invitation for negotiation

例句与用法

1. Would you please inform us by return of the price , discounts , terms of payment and the time when you can deliver them
   请函报有关机械的价格、折扣、付款方式及最早的交货时间。