... available 5.Do OEM Reinforced Glass Fiber Roving1.pass CE,TUV,ISO90012.clear fiber glass3.SGS attestation4.custom designs availableDIRECT ... Direct roving is single end of E-glass continuous fiber, utilized in filament winding and pultrusion, fabrics weaving and woven roving ... etc.We have three types:No. GRV1: Direct roving for filament windingNo. GRP2: Direct roving for pultrusionNo. GRW3: Direct roving ...