请求帮助!谢谢

一个斯里兰卡的客户,叫我给授权书他,前提是没有提及销什么产品往他国家,他是要我协助他赢得投标,谈何合作? 请问这样怎样 内容如下: [2013/5/14 14:54:53] Kasun Rodrigo: i he one tender to bid VHF /band 2 antenna sysytem and feeder cable [2013/5/14 15:40:25] Kasun Rodrigo: if i work with you you need to give letter to us we are the agent for Sri Lanka [2013/5/14 15:41:31] Kasun Rodrigo: Are you can work with me for this tender [2013/5/14 15:41:44] Kasun Rodrigo: i think they open TT for paymant [13:43:50] Kasun Rodrigo: Did you check with your enginerrs [14:46:10] Kasun Rodrigo: we want letter from you need to give your letter to my customer for get tender documant so please send letter to me my compnay is the agent for Sri lanka for your business Can you send it now? what kind of letter ? Authorized letter for sell your goods to Sri lanka authorized letter to our compnay from your company Can ? 我是新人,这个怎么,请教各位了!谢谢!