... ,TUV,ISO9001 2.one of the biggest producers of fiberglass yarn in China SINGLE END ROVING (DIRECT ROVING)Description:Single ... end roving and fiberglass yarn are specially designed as reinforcements for thermoset resins. Compatible ... chop ability(4) Good wet-out and easy deairfiberglass yarn, fiberglass yarn, fiberglass yarn, fiberglass yarn fiberglass yarn