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Detention
Equipment
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Manufacturing
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HVAC Security Grilles (grates)
DDS Security Grilles are manufactured to Architects design specifications. We can
manufacture any style security grille using any material. DDS is the largest
stocking distributor for ASTM A-627 double rib security bar in the western states.
For detailed information on the manufacturing process please look at our SECURE-LINE™ Rib Bar System.
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