frp pultruded round profile 1,material: fiberglass/GRP 2,shape: round or square 3,color/size : according to customers' demand frp pultruded round profile1,material :fiberglass/GRP2,shape : round or square3,size : according to customers' demand Please provide detailed specifications or drawings of the products inquired so that we can quote properly. pultruded frp/fiberglass round profile