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...Rockwell hardness tester is suitable to determine the Rockwell hardness of ferrous, non-ferrous metals and non-metal materials. It is widely applied in the Rockwell hardness testing for heat treatment materi...
...Rockwell Hardness Tester High Accuracy Products Introduction Handheld Rockwell hardness tester is unique design in China, can test large work piece on site quickly. The machine can test Rockwell & Superficia...