求翻译成英语公文：兹有xx同学，于2009年12月26日至2010年2月28日在我单位实习。该同学在实习期间表现优秀

求翻译成英语公文：兹有xx同学，于2009年12月26日至2010年2月28日在我单位实习。该同学在实习期间表现优秀

Here is ***who is on internship at our company during Dec. 26th, 2009 and Feb. 28th,2010.
His performance is excellent.

Hereby we certify for this.
China Chemical Engineering Sixth Construction Company
Mechanical Chemical Construction Company

XX served as a valuable intern at the Mechinal & Chemical Construction Department of the Sixth Construction Company Ltd. of China National Chemical Engineering (SCCCNCE), beginning from December 26, 2009 to February 28, 2010. During the intership, XX's performance was well received by his leaders and colleagues. We appreciate his extraordinary work and participation.
可以在倒数第二句前面加上这样一句溢美之词：XX exhibited good teamwork spirit, outstanding communication and learning skills.
最后也可以加上这么一段：Please feel free to contact us should you have any question regarding his intership at SCCCNCE.

参考资料：本人在外企实习结束时收到的recommendation letter

This is a xx classmate in December 2009, from 26 to 28 February 2010 in my unit practice. The students during my internship in outstanding. Hereby certify
Chinese chemical engineering construction company 6
Mechanical chemical construction company
希望被采纳。。。。。。。

Internship Certification
Hereby certify intern (student)XX,intern in our company from 26, Dec.,2009 to 28,Feb .,2010.
He/She performanced excellent during internship。
Hereby Certify!
Mechanical and Chemical Construction Company of
No.6 China Chemical Eengineering Constuction Company

Hereby we certify XXX who does excellent in the internship in our company from Dec 26, 2009 to Feb 28, 2010.
sincerely
The Sixth Construction branch of China Chemical Engineering Comanpy
Mechanical Chemical Construction Company

This is a xx classmate in December 2009, from 26 to 28 February 2010 in my unit practice. The students during my internship in outstanding. Hereby certify.
Chinese chemical engineering construction company 6
Mechanical chemical construction company