How to Use

How To Use?

Search by keywords or categories, then send your inquiries by clicking on "Inquire Now" button.
Group your interested buyers by clicking on "Add to Basket" button if you wish to make and customize your own buyer list.
To send your group inquiries, go to MyEC21 > Premium Services > Manage My Buyers
Your previous inquiry-sending activities will be marked as red text for a month. To see the full activity, go to Buyer Contact List.
How many inquiries can I send to buyers in this directory? Please see our Inquiry Sending Limit.

My EC21

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15 Global Buyers found for polysulfone

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Global Buyer Directory Access Credit

How Many Inquiries Can I Send?: Depending on your current premium membership, you can send your inquiries up to the credit as shown above. For example, if you are a Trade PRO member, you may send your inquiries up to 60 per day in 600 per a month max. 'A month' means the period from the 1st day to the last day of the month. Viewing E-mail Address works same as well.

* Full Buyer details are available for Premium Members. ☞ Upgrade to view more.

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Buyer Access Credits Buyer Access Credits are assigned to Premium Members
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Premium Seller Tools: Trade PRO/ Trade OK; Advertising on EC21; Order Credit Reports; Order TradeVerify

Basic Tools: How to Sell?; Post New Products; Post Company Profile; Trade Alert

Get Listed: EC21 is the largest global B2B marketplace. Global manufacturers and suppliers are searching buyers here every day. If you are a buyer looking for competitve suppliers, join EC21 for free now, and post your buying leads here.