Dear Customers:
SDT Transmission™ website change to www.sdtgear.com from www.strongdrivetool.com, because business developing demand, we strongly recommend you send your requirement to ***@sdtgear.com.
the old domain still keeping used, you can continue to send your mail to ***@strongdrivetool.com,
Please contact us if you have any queries.
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Thanks for your time.
SDT Transmission™ Team @ SDT Technology.