Polypropylene air-changing silk masterbatch is excellent in material selection, bright and stable in color, and is widely used in spunbond, meltblown, SMS and other non-woven fabrics, filaments, staple fibers, BCF, FDY, high-strength wires, elastic wires, etc. It can provide customers with personalized services according to different customer colors, monofilament fineness, temperature resistance, environmental protection and other requirements.