... . HASCO/O standard series; 2. Mat: Steel; Date marked pins of plastic injection mould:1. HASCO/O standard series;2. Mat ... year, month,day,recycle date stamp, perfect combination, the use of the space, apply to production control.Date stamp feature:After ... lower the internal hardness, toughness especially good for high temperature operating environment of the mold.Tianying Mold Fitting CO., LTD is a ...