The GCMC series solid generatrix trough isa new product researched and developed by our company voluntarily, It solved the waterproofing, anticorrosion and fire protection problems that other generatrix trough cannot fix up. It is suitable for adverse circumstances such like moistly, mist, salt mist and so on. The protection rank achieved IP67 and achieved the advanced standard in domestic. In the quality and the model it is more perfect than other model generatrix trough. Presently it is widely used in places like high-rise constructions, standard workshops, underground squares, trenches, outdoor power distributions.