... rotational mould can be manufactured by the closed space.5.hollow but strong and seamless : the rotational moulded product ... no pine hoels on the moulds. itemmaterialOEM plastic fender board mouldAluminium mould, casting mould,rotomolding,rotational mouldOEM manufacuturer ,custom ... new design mould , custom made the mold plastic fender board productLLDPE,LDPE, HDPE,MDPE, UV.8 resistant material for ...