You can also follow the guidance here,
Step 1: Click on “Sourcing” on the front page
Step 2: Click on Sourcing at the left panel, and then “Post Sourcing Request” on the top right corner.
Step 3: Click on “Individual Product”
Note: there’s an option to the source by clicking on “Store Existed Product”, however, this option is only available to users who connected their Shopify Store to our website. To learn how you can connect your Shopify store to our application, please see the tutorial: “How to connect your Shopify Store to app.cjdropshipping.com”.
Step 4: Fill in the required information, please remember that the target price is the price that you are looking for and it includes the shipping cost to the specific country that you want the product to be shipped in.
Step 5: After you successfully posted the sourcing request, you can go back to the page under “My CJ”> left-hand panel “Sourcing” and see the status of the product you want us to a source. And you can click “View details” to see the information of this product.