... and high strength 3. ISO9001:2008 certificat Tangshan Runfun Composite Materials Co., LTD, established in 2004, specialized in ... main product is FRP panel, FRP gel coat panel, Fiberglass reinforced plastic sheet, FRP ripple sheet, FRP corrugated panel, ... depends on consumers to choose voluntarily whether adding)Fiberglass: Taishan high-quality fiberglass, the content being no less than 30%.Unit ...