来华邀请函4篇-条据书信本文名目来华邀请函外商来华进行贸易洽谈邀请函外国人来华访友邀请函格式外商来华邀请函格式 formal visa invitation格式 公司抬头 to * attention: * a formal visa invitation dear sir or madam: we are very pleased to invite mr. * come to our factory for visiting and business negotiation. the business trip will start from 18th april XX . and because the long business co-operation in future between *对方公司名 and us, they will come to china for many times. please note, however, that we dont