Fiber glass fabric cloth is roving in tabby fabrics, is hand lay-up FRP important base material. The strength of the pane cloth fabric weft direction in the main, asking for the warp or to high strength to the occasion, also can ChanXiangBu woven, it can be to decorate material to the or more roving in, single to the cloth, ChanWei to cloth. Roving in roving is the silk by parallel or single cluster in parallel. Roving in GLASS components according to can be divided into: E-GLASS non-alkali glass roving in and C-glass of alkali GLASS roving in.