... hardness indenter 2.manual and automatic test 3.OEM/ODM ball head diamond vickers indenters high quality YIYAN hardness indenter 'YIYAN' produces ... used hardness tester, special attention to various models of pressure head shape size, so as to form a complete set to ... use.We produce rockwell indenter , vickers indenter and ball indenter. Besides, we can also process as customers' drawing or ...