请懂英文商务信函书写格式的高手请进帮我检查下我的信函作业有没有错谢谢
第一部分是我的信封内容：
AllenHaiLin
AmoyInternationalTradingCo.Ltd
1BinhaiRoadXiamen,Fujian,361000（我不确定这个邮政编码要不要写）
Thepeople'sRepublicofChina
Mr.Johnsmith
MidlandCarpetCo.Ltd
173WaterlooStreet,LondonE.C.4
TheUnitedKingdom
第二部分是信的内容：
AmoyInternationalTradingCo.Ltd
1BinhaiRoad,Xiamen,Fujian
Thepeople'sRepublicofChina
Tel:(0592)5000000Tax:(0592)5000001PostalCode:361000
Novermber16,2011
Mr.JohnSmith
MidlandCarpetCo.Ltd
173WaterlooStreet
LondonE.C.4.
TheUnitedKingdom
Dear.MrJohn:
IhavenoticedyouradvertisementintheNovermber10issueofTHEMAGICCARPETmagazine.Wewouldliketofindoutdetailedinformationsaboutthevarioustypes,specificationandprices,samplecuttingsbecausewethinkthepatternsmightbeappealtoourcustomers,especiallytheyoungers.
WearereadytolayinastockforNewYearsales,itwouldbehelpfulifyoucouldsupplyabooklet,welookforwardtoreceivingyourreplyinaweek.
Yoursfaithfully,
AllenHaiLin
BussinessManager