Email all questions, comments, concerns, as well as catalog requests to firstname.lastname@example.org. Special orders can be made for Duchefa Biochemie Brand products not listed on this site. Please email us with any requests. Orders over 10 items must be quoted and we cannot process large orders through this site. DuchefaDirect.com is operated by Gold Biotechnology, Inc., the only liscenced distributor of Duchefa brand products in North America. We can only ship to Canada, Mexico, and the United States. If you are outside of North America, please visit www.duchefa-biochemie.nl for the distributor in your country.
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