... about what is and how to make a qualified rotational mold for rotational molders to use them easily and efficiently. There ... , such as insulated box, Kayak, float, chair, playground toy, scrubber tank, military case, bumper, tractor roof, engine pallet, and so on ... skills in technology. Looking forward to hearing from you, thanks! Roto mold, for rotomolded filter tank, by rotomolding LLDPE. 11 years in ...