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Our Customer Service Department is open Monday-Friday from 8:30am-5:00pm EST.
Toll Free: 800-461-0061
Sample Requests can be made using our Sample Request Form – order Program Sample Chains or select the Custom Sample Chain option and enter the Doellken Numbers in the Comments section of the form
Canada: 905-759-1074 Toll Free: 800-461-0061
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