Precision parting line in fitting surface
and smooth collapasible core parting line in inner surface;
Strict dimension control of collapasible core with precision
tolerance;
Strict wll thickness control and assembling tolerance control;
Precision surface finish with smooth ejector pin mark and gate
mark;
Reasonable gage location and runner system;
High standard surface polish and finish;
Fulfill muti-derection collapsible core system fitting
shape.