Translate the following sentences into Chinese. (1) As requested, we now offer you 500 tons of walnut meat as follows. (2) If you think this offer acceptable, please cable us immediately for our confirmation. (3) The offer remains firm to the end of this month. (4) If your order is large enough, we can allow you a higher discount on our price. (5) We now offer you, as requested, as follows, which is subject to our final confirmation. (6) We are enclosing herewith an enquiry sheet. (7) As soon as we have received your enquiry, we will immediately mail you the samples and offer you most favorable prices. (8) Please quote as requested in our enquiry sheet your lowest prices and state the earliest delivery date. (9) We are making you the following offer, subject to your reply reaching here within five days. (10) Though the quality of your textile is satisfactory fbr us, your quotation is not quite in line with the present market. (11) Your lowest quotations are requested, by return, for the under-mentioned goods. (12) If you are in a position to supply the goods as per the attached enquiry at very competitive prices, we trust large orders will be obtained.