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Diam Closures USA    


DIAM® is an innovative closure that combines the tradition of a cork and the mechanical and organoleptic security of a technologically advanced closure to create a TCA taint-free closure (below the limit of quantifications of 0.3 ng/L).  

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Contact Information



(800) 321-8747


(209) 341-1929

Sales Contact(s)

Krittaya Boonma

Marketing Manager

Email address:



Mailing Address

502 E Whitmore Ave
Modesto, CA 95358

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Location Address

502 E Whitmore Ave
Modesto, CA 95358

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Company Profile


ALTOP®, Mytik


DIAM Bouchage, the leading manufacturer of technological corks--DIAM for still wines, Mytik for sparkling wines & ALTOP for spirits. DIAM has 3 major production sites situated in the heart of cork-producing regions & several finishing centers close to principal wine regions. DIAM closures are guaranteed to provide clean, consistent & reliable permeability from bottle to bottle. DIAM closures are available in a wide variety of sizes and lengths. G3 Enterprises is the exclusive distributor of DIAM for the North American market. G3 finishes and prints DIAM closures at its plant in Modesto, CA.

Diam Closures USA
offers the following products and/or services:

     Winery (2736)
         Packaging (875)
             Closures (120)
                 Technical Closures (60)
                 Sparkling Wine Closures (49)

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