... different specifications. The line is the special pultrusion machine used to produce FRP rebar with different specifications. ... resin bath, winding, heating oven, unwinding device, traction machine, cutting saw and racks for finished products.a. Roving ... racks: used to place the rolls, adopts the welding structure of steel plate, steel pipe and angle iron ... (W) x 0.9m(H) fiberglass rebar making machine