... rotational mould shape is very complex. The thickness of the whole product can be more ... product , but can be adjusted the thickness to improve the wall strong .6.short ... on the moulds. itemmaterialOEM plastic fender board mouldAluminium mould, casting mould,rotomolding,rotational ... the mold plastic fender board productLLDPE,LDPE, HDPE,MDPE, UV.8 resistant material for productsOEM manufacturer , no ...