... cost aroused by adjustment or modification afterwork. Shanghai YILI MOULD Manufacturer, Ltd, a professional mould maker, specialize in manufacturing ... fabrication, since 2006, located in southern part of Shanghai city, one hour of driving to either PVG or ... progress paralleled, or many other solutions. Rotational molding, roto mold for rotational molded cases, 11 years in roto molding & tooling.