商務(wù)英語寫作范文:對(duì)包裝箱長度、嘜頭的指示

Dear Sirs,

　　Crates must not exceed an overall length of 10 meters.

　　All crates are to be marked as usual,but please number them consecutively from No.1 to No.5.

　　All marks other than our own and the name of the country of origin are to be removed from the crates before shipment.?　　

　　Yours,