2017 Extension Activity
2017.11.07 09:29![](http://www.hongda-chem.com/uploads/ueditor/image/20171204/6364797402383419882891443.jpg)
![](http://www.hongda-chem.com/uploads/ueditor/image/20171204/6364797408678839205058681.jpg)
As one of the four core businesses of Hongda Group, ......
Since 2001,Hongda Group has been a distinctive char ......
Companies in the bio pharmaceutical development alw ......
The company's business covers the development o ......