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Our company’s primary focus: NMB Splice Sleeve System is catered for seismic resistance, development of structural integrity and safety for Precast concrete and for Cast-in-place construction.

Developed in the late 60s in Hawaii, USA engineered in Japan and renowned all over the world.

The first and only SA Class grout filled mechanical connector approved by BCJ (Builder Center of Japan). SA Class is equivalent to Type 2 coupler approved by ICC-ES in the United States.

More than 22 million sleeves used worldwide for over 40 years with no single fatality.

In March 2011, all buildings using NMB Splice Sleeve in the Tohoku area withstood the 9.0 Richter scale earthquake that shocked this area without any structural damage.

All buildings with NMB Splice Sleeve withstood the Kobe-Osaka 7.9 Richter scale earthquake in 1995 without any structural damage.

No structures with NMB Splice Sleeve were damaged in Guam in 1993 in the 8.2 Richter scale earthquake.