Tangled yarn is a kind of special-purpose material for tangling and shaping glass fiber reinforced plastic; thick yarn is with stable density, low deviation and homogeneous tension; excellent mechanical properties such as: excellent compatibility with resin, fabulous saturation rate and soft blotting fiber, well abrasion resistance and little wool yarn; mainly used for making tangling products such as: cable bridge shelf , doors and windows , tent pole , cable trough , ladder , type material ,etc.