Make a firm offer after reading the following given letter on specific inquiry.

  Dear Sirs,

  We have seen your advertisement and are interested in your new product． (开门见山说明写信的目的)

  Please quote us for the supply of the article, giving your price CIF Osaka, and let us have your earliest delivery date, your terms of payment, and discount for regular purchases． (直接向对方询盘)

  We look forward to your early reply.