本授权书声明：
公司（工厂）的（法人代表姓名、职务）代表本公司（工厂）授权（被授权人的姓名、职务）为本公司（工厂）的合法代理人，参加XXXXXXXX设备采购项目（项目编号：XXX）的投标、合同签订、合同执行等活动，以及以本公司名义处理一切与之有关的事务。
特此声明。
法人代表签字：____________
职务：____________
代理人（被授权人）签字：___________________
职务：__________
投标人名称（加盖公章）:
地址：__________
日期：__________
一般来说，授权书里必须包括公司的法人代表授权一个人做一件特定的事情，如果是一般产品的代理或者销售，还应该有授权书的时效，如果涉及货币金额，一般要求大小写都有。
参考的英文格式如下:LETTER OF AUTHORIZATION
l, the name of legal representative, the undersigned legal representative of the company name of the bidder, hereby authorize the undersigned the name of the duly authorized representative to be true and lawful representative of the company from the date of this letter of authorization to act for and on behalf of the company with legally binding effect for and in respect of to sign the bids. And I acknowledge all the contents contained in the bids signed by the authorized representative.
It is hereby authorized.
Name of the Company:_______________________(official seal)
Legal representative:_______________(signature)
Authorized representative:_______________(signature)
Date:____________________