Roto model,roto molding ,rotational model,vacuum molding,hollow molding,slew molding

Advantages of Rotational1, Economic tooling costs. One-piece construction,2,Weight reduction-as compared to most metals3. Unifotm wall thickness---nothinning in the extremites.4, Thickness can be varied if required. Variety of finishes and color. 5.The abilityto produce multi-wall moldings.6,Design flexibility---from small and intricate to large and complex7,Metal inserts as integral parts.8,Short lead-time. Resistance to stress-cracking and corrosion producing area:shanghai