范文：
Dear boss,
亲爱的老板，
It's our great honor to invite you to visit our company in XX, XXXX. This visit will provide an opportunity for you to make a better understanding of our marketing issues, and to discuss about our issues business cooperation in detail.
我们非常荣幸地邀请您于XXXX年XX月访问我们的公司。通过这次访问，您将有机会更好地了解公司的销售计划，并就将来的贸易计划与我们进行详细讲解。
Please use this invitation letter to apply for your visa to China.We are all looking forward to seeing you soon, and should you have any questions, please feel free to inform me.
请以这封邀请函作为您申请中国签证的依据。我们期待早日见到您。如果你还有任何问题，请随时告知我。
XXX.
XXX。
XXX Company.
XXX公司。