hardware tools, diamond bit
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Dear Mr. xxx:
Diamond bit is one series of present products. It is mainly used in construction . There are core drills and solid construction drills and Air-condition water pipe caliduct drill and so on. It is famous not only domestic larkt but also export oversea countrys .
We believe that you will find some attractive additions to our product line. Once you have had time to study the supplement, please let us know if you would like to take the matter further. We would be very happy to send samples to you for close inspection.
We will keep you informed on our progress and look forward to hearing from you.