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china Dongguan Quality Control Technology Co., Ltd. certification
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Customer Reviews
The touch screen micro vickers hardness tester has been installed a few weeks ago, everything is OK. Thanks for your advice and excellent service.

—— Mr. David Chambers

Thanks for the fast delivery and our customer is very satisfied for the rockwell hardness tester, and hope more orders soon.

—— Neil Renato

After we visited the customer, they finally decided to purchase Brinell hardness tester iBrin-413Z, now we have installed the unit at customer’s site,

—— Fermin Lee

Thank you for the indenters (diamond  cone 120 degrees). We recently got it and already tested it. Indenters  are good as we expected. 

—— Dalius Skinulis

The Measurements are good for Brinell Tester HBST-3000.

—— Sun Chull Kim

Hey, the hardness tester iVick-484ST was installed last week and works well, thanks for the professional support.

—— Sabinian Smith

I am glad to inform you that the installation of the SHB-3000C Brinell hardness tester has been finished successfully. I would like to thank you!

—— Robbin

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Company News
china latest news about Difference between Nominal Accuracy and Certified Accuracy

Difference between Nominal Accuracy and Certified Accuracy

[2024-08-28 10:46:10]
Difference Between Nominal Accuracy and Certified Accuracy How to interpret the accuracy of a measuring instrument? Nominal accuracy refers to the accuracy that a manufacturer claims its measuring equipment has, while certified accuracy is an objective measurement of the true accuracy of the product... Read More
china latest news about Superficial Rockwell Hardness Tester iqualitrol HRM-45

Superficial Rockwell Hardness Tester iqualitrol HRM-45

[2024-08-29 12:04:09]
Superficial Rockwell Hardness Tester iqualitrol HRM-45 By Manual Loading Main Features: ● Adopts the stable and reliable structure of HR-150A; ● Manual superficial Rockwell hardness tester, reliable, durable and high testing efficiency; ● Direct dial reading, HRN, HRTW scale; ● Optional other ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 11

Defects in Metal Material Forming Processing, Part 11

[2024-09-02 20:10:09]
Defects in Metal Material Forming Processing, Part 11 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Pockmarks The rough surface of the ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 10

Defects in Metal Material Forming Processing, Part 10

[2024-09-02 09:58:11]
Defects in Metal Material Forming Processing, Part 10 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Wrinkling The surface of the product ... Read More
china latest news about What is Ultrasonic Hardness Testing?

What is Ultrasonic Hardness Testing?

[2025-12-28 10:45:18]
What is Ultrasonic Hardness Testing? Ultrasonic Hardness Testing is also known as Ultrasonic Contact Impedance. The Ultrasonic Contact Impedance method has been around for over 50 years and was developed heavy and/or unmovable parts where traditional testing methods could not be used or would take a ... Read More
china latest news about What is Differential Interference Contrast (DIC) Microscope?

What is Differential Interference Contrast (DIC) Microscope?

[2025-12-28 10:40:33]
What is Differential Interference Contrast (DIC) Microscope? Differential Interference Contrast (DIC) Microscope is widely used to image unstained and transparent living specimens and observe the structure and motion of isolated organelles, making it an alternative to conventional brightfield ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 9

Defects in Metal Material Forming Processing, Part 9

[2024-09-01 13:53:00]
Defects in Metal Material Forming Processing, Part 9 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Peeling and Burring The local ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 8

Defects in Metal Material Forming Processing, Part 8

[2024-09-01 13:45:10]
Defects in Metal Material Forming Processing, Part 8 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Oxidation When products come into ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 7

Defects in Metal Material Forming Processing, Part 7

[2024-08-31 09:45:42]
Defects in Metal Material Forming Processing, Part 7 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Corrosion The process in which the ... Read More
china latest news about Defects in Metal Material Forming Processing, Part 6

Defects in Metal Material Forming Processing, Part 6

[2024-08-30 16:55:47]
Defects in Metal Material Forming Processing, Part 6 Defects in metal forming processes can arise due to various factors, including material properties, process parameters, and environmental conditions. Here are some common defects associated with metal forming: Delamination Gaps appear in the ... Read More
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