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