Q: How do you control the quality?
Source:    Publish Time: 2021-10-22 20:47   228 Views   Size:  16px  14px  12px

A:The equipment we have to assure the quality: American ZYGO Laser Interferometer,German Mahr Surface Profilometer,American Spectrophotometer Lambda 950,Japanese Mitutoyo Altimeter Instrument

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