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For high precision measuring instruments and precision machining equipment, such as optical instruments, analysis of balance, three coordinate measuring instrument, roller grinding machine, semiconductor wafer processing, They have the strict requirements about the vibration.Our company specifically designe the low frequency damping absorber. It can isolate the micro vibration of these devices better, in order to achieve the ideal vibration isolation. Vibration isolation grade can be adjusted , in order to achieve the user's requirements. The low frequency damping absorber lowest frequency can be as low as 0.8Hz, the damping can be adjusted, which can eliminate the influence by other vibration source better. Compared with the air spring, the damping absorber has the advantages like this:the better vibration isolation effect, no external compressed air source, almost no maintenance , and the using life is more longer than the air spring.