Morteng company according to the phenomenon of wind turbines susceptible to lightning, specially designed and developed lightning protection grounding brush holder, carbon brush, to prevent damage to the motor, and access to utility model patents. Motto company after years of design and research and development, has developed a variety of explosion-proof collector ring, used in a variety of complex environments. We produce explosion-proof slip ring, high degree of protection, the use of materials are corrosion-resistant stainless steel, to ensure that the harsh working environment still has a high reliability.