We offer official invitation letters for business visa applications to visit china
Total cost about is 250 USD per a person,one week finised.
You must provide:1.passport copy 2.company name.3 company address 4.fax no 5.company certificate(it is proved them work in this company ,must wrtit their name/passport no/natioanlity on the paper)6.Corporate business license.
If you have any question .pls feel free to contact us.

Xinxijuan_105 at Yahoo do com