Product features: the company uses high-quality resin carrier, high-quality carbon black, additives, through high-speed internal mixing, and then extrusion granulation by high-precision extrusion equipment. The product has the characteristics of high concentration, high dispersion, excellent compatibility, high temperature resistance, low precipitation, strong coloring power, excellent weather resistance, good UV resistance, tasteless, non-toxic, environmental protection and other characteristics, long-term color stability, less addition, and cost saving.