NHMC series of nhmc NHMC series of nhmc is our company based on the structural characteristics of compact Busway, fire insulation and flame retardant materials using self-developed products. The structure has the advantages of compact structure, small volume, high temperature resistance and high temperature resistance and fire resistance transmission capacity. Mainly used in high-rise building, an important control center, subway and other large public places and other large public places of fire safety requirements. Use the product to ensure the power supply to maintain period of time when the fire happens, and have enough time to start the fire extinguishing equipment, ventilation and smoke evacuation, as far as possible to reduce casualties and property losses