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Diamond Envelope Corporation is a leading manufacturer and converter of envelopes. Our ultimate goal is to provide every client with the best envelope products, impeccable quality, and personalized customer service. Our clientele ranges from financial services, advertising agencies, and insurance and medical institutions that use envelopes for statement fulfillment and advertising needs, as well as serving other non-direct marketing sectors of their business. 

Diamond Envelope Corporation offers a wide range of manufacturing capabilities and expertise, meaning that we can deliver an unrivaled selection of envelope products to fit the specifications of our customers. Each envelope is custom designed to create a positive and unique image for their mailer. 

Printing Capabilities:

Diamond Envelope uses enhanced flexo on all our flexo printing. For any outside print, we offer a range of 1 to 6 color processing. All of our equipment offers an inside security print unit as well. Please call or request a quote if you need 2 color inside printing as we do have a work-and-turn print unit.

Latex & Gum Capabilities:

Diamond Envelope has multiple machines equipped for latex, peel & seal, and drop gum bar applications. 

Windows & Cutting Capabilities:

We offer over one thousand cutting dies available to meet customers needs, and with capabilities to manufacture multiple windows on face, back, and seal flap. Diamond Envelope is extremely efficient at manufacturing welded seam envelopes that are machine insertable. These can include a false bottom, if required. We also offer custom inline embossing patterns and capabilities. 

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