请英语高手帮忙翻译一下，急用，谢谢

Wuhan Iron and Steel Mining Co., Ltd. Cheng Chao iron ore
Wage income proof:

Hereby certify that XXX is my company's employees, the company's safety and environmental protection departments for any Safety Management (State registered safety engineer). Monthly income yuan.

Hereby certify that.

October 2009 income (after tax) yuan; November income (after tax) yuan; December income (after tax) dollars

This proved only prove that my company's employees work and in my company's wage income, not as my company's employees in any situation in the security documentation.

Seal:
Date: February 8, 2010

Wuhan Iron and Steel Mining Co., Ltd. Cheng Chao iron ore
Wage income proof:
Hereby certify that XXX is my company's employees, in the company safety and environmental protection departments for any Safety Management (State registered safety engineer). Monthly income yuan.
Hereby certify that.
October 2009 Revenue (tax) dollars;
November income (after tax) dollars;
December income (after tax) dollars.
This proved only prove that my company's employees work and in my company's wage income, not as my company's employees in any situation in the security documentation.

不懂