Dongguan Pruda Electronic Technology Co., Ltd. is a high-tech enterprise that integrates research and development, production, and processing. Its products are widely used in the fields of communication and mobile phone registration, and are mainly sold to European and American countries. This time, our company has purchased a set of German Bareiss Digi test II fully automatic rubber hardness tester, including IRHD M testing module and manual O-ring sample locator, for conducting national rubber hardness testing on O-ring samples with a small thickness of up to 0.6mm.