帮忙写封英文商务函电,全部身家跪求.

dear sirs,
thank you for your letter of 时间,i am glad to inform you the details of insurance.
we choose open policy as a guarantee to the safty of our electronic products
,and the insurance amount is 5oooo pounds.the forwarder agency is Manchester Liners Ltd,and the port of loding is Manchester and Livepool,and the port of destination is Atlantic ports in Canada and the United States the delivery time is may 31,2003.
if you have any question,pls feel free to contact me.
look forward to your reply .
sincerely,
签名