... of them to your project, under the permittance from our rotomolding customers who invented them. Shanghai YILI MOULD Manufacturer, Ltd, a ... such as insulated box, Kayak, float, chair, playground toy, scrubber tank, military case, bumper, tractor roof, engine pallet, and so on ... to hearing from you, thanks! Roto mold, for rotomolded filter tank, by rotomolding LLDPE. 11 years in roto molding&tooling.