About Us


DHD International is an international trading and manufacturing company specializing in hardware for frameless tempered glass entrances and point supported structural glass curtain walls.

Founded in 1986 DHD became the north american distributor for Casma SpA, now Speedybycasma Srl located in magenta , Italy, one of the worldwide leading manufacturers for tempered glass door systems.

Since its inception DHD was grown to become a leading supplier, designer and consultant for architects and builders who wish to incorporate unique total vision entrances into their building designs.