... called roto mould, rotomolding, roto-moulded, rotomold is used for hollow, large scale parts. Rotomolded parts can either be single ... products can be filled with foam material, to achieve thermal insulation.7. No need to adjust the mould, the thickness of rotational ... during the product design, to meet their prospective functions. Welcome to corporate with Yueqi Mold, OEM for your Aluminum Moulds and ...