求翻译：兹证明苏玉科先生，男，出生日期1970年5月17日。自2000年6月起在我单位工作，职务、职称：董事长、总裁。税后年薪为（包括工资及各种津、补贴）为人民币120万元。是什么意思？

IN WITNESS WHEREOF, Mr. Su Yuke, male, date of birth May 17, 1970. Since June 2000, working in my unit, position, title: chairman of the board, president. After-tax annual salary (including wages and various Tianjin, subsidies) for 1.2 million yuan.

THIS IS TO CERTIFY that Mr. Su Wu, male, date of birth May 17, 1970. Since June 2000, in my work unit, the Title, Title: chairman and chief executive officer. After-tax salary for (including salary and various allowances, and benefits) for $1.2 million yuan.

This proves Mr. Su Yuke, male, date of birth on May 17, 1970.Got up from June, 2000 in my unit work, duty, title: Chairman, President.After the tax the yearly salary for (including wages and each kind of Tianjin, subsidy) is the Renminbi 1,200,000 Yuan.

I hereby certify that Mr Su Yuke, male, date of birth, May 17, 1970. I work since June 2000, title, title: Chairman, President. After-tax annual remuneration (including wages and various allowances, subsidies) is 1.2 million RMB.