Quality Guarantee

Tien Chen Diamond Dies manufactures high quality Diamond Dies, Natural and Tinned Diamond Dies and Synthetic Diamond Dies. With over 25 years’ experience in the industry Tien Chen Diamond Industry Co., Ltd is an ISO certified company. Thus, we ensure that every die that comes from their manufacturing facility passes a strict quality control process before it goes to the customers. Each Die that is manufactured will have a Quality Assurance report attached when it's shipped to the customer.

  • All the dies we manufacture must pass the following quality controls:
  • Sample wires are measured by professional laser devices to calibrate the diameter to ensure that they are within the specifications required by our customer.
  • We use elongation tester to examine the wire elongation rate.
  • 100% Quality Control inspection by precision equipment before delivery.
  • A Quality Control report is attached for each die.

If you would like more information on our high quality diamond dies, please feel free to contact us via our live chat. If we are not online, please leave us a message, or you can email us at This email address is being protected from spambots. You need JavaScript enabled to view it.

Inspection By Microscope

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Laser Inspection

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Conoptica Die Profiler

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