... of driving to either PVG or HONGQIAO airport. Rotational molding has advantages in less tooling investment, small quantity, one ... milling machines, one set of wire electrode cutting machine, one set of large machine tool, shot peen equipments, polishing tools, ... Looking forward to hearing from you, thanks! Roto mold, for rotomolded filter tank, by rotomolding LLDPE. 11 years in roto molding&tooling.