Nitrile rubber insulated lead wire sheath derivative / new products is mainly due to applications, application requirements and the equipment of different convenience and reduce the cost of equipment, and the use of new materials, special materials, or changing product structure, or improve the process requirements, or to different varieties of products are combined to produce. Using different materials such as flame retardant cable, low smoke halogen free / low smoke and low halogen cable, anti termites, anti mouse cable, oil / cold / temperature resistance cable, etc..