Aopoly has advanced production line of polypropylene filament fiber and has many years of production experience, sophisticated testing equipment, advance technology, first-class service. Dope dyed polypropylene (PP) yarn and high tenacity polypropylene PP filament yarn are our main products, but not are limited to PP Flat yarn (both Normal Tenacity and High Tenacity), PP Anti-aging yarn, Twisting Hollow PP yarn, PP Fluorescent yarn, PP Luminous yarn, PP Flame-retardant yarn, PP Profiled yarn, etc.