Please click "Add" at the bottom of TradeManager:

1. Basic Search: here are three options:

First, Auto Match Search: let us recommend members with similar interests and location to you.

Click "Search" button. Then select a contact from searching results and click "Add":

Click "Search" button. Then select a contact from searching results and click "Add":

Select group for the contact and click "OK":

A notification message will be sent to this contact.

Second, member ID search: search for members using their Member ID.
Please select website and enter his/her Member ID/email address. Then click "Search" button as follows:

Other steps are the same with the above method.

Third, keyword search: this is based upon member's name and interests.
Enter member's name and interests. Then click "Search" button as follows:

Other steps are the same with the method one

2. Advanced Search: click "Advanced" tab and add contacts according to your own needs:

Refine your search by selecting website, country, province etc. and entering company name and interests, and then click "Search" button:

Other steps are the same with the method one.