Form
20-F x
|
Form
40-F o
|
Yes
o
|
No
x
|
By:
|
/s/
Dr. Han Gengchen
|
||
Name:
|
Dr.
Han Gengchen
|
||
Title:
|
Chief
Executive Officer
|
||
Date:
February 20, 2007
|
Exhibit
Number
|
Description
|
|
99.1
|
|
Presentation
at Roth Capital Partners 19th Annual OC
Conference.
|