First,open the inventory in the Microsoft Excel,and also sequence according to the following forms(without content ,please leave a blank)

As the following chart：

Click top-left(fiel)
Choose save(A)...

Select type of saving
CSV(*.csv) (*.csv),Then [save]

If you find suggestion,donn’t [care]

Finish dealing with the above csv fram data,
Then you can sign in china chip online trade（IC72.com IC72.com.cn）
Select (manage inventory)

Click(view)
To find the csv data Click[open]

Then click (upload inventory)

after uploading successfully,the data will be effective at once,then you can see all of your inventory in (manage inventory).you can view erery page ,and if you are forml member ,you’ll see your company in home page.