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China Dongguan Quality Control Technology Co., Ltd. certification
China Dongguan Quality Control Technology Co., Ltd. certification
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 Nondestructive Magnetic Thickness Measurement

Nondestructive Magnetic Thickness Measurement

[2024-06-30 09:13:54]
Nondestructive Magnetic Thickness Measurement The iqualitrol magnetic gages are widely used to measure electroplating, nickel coatings, phosphating, paint, plastic and coatings such as enamel on steel. Based on the Magnetic Attraction principle, they allow for the quick, precise, nondestructive ... Read More
china latest news about Principle of Knoop Hardness Test

Principle of Knoop Hardness Test

[2017-02-14 16:00:48]
Knoop hardness test usually refers to static indentations made with loads not exceeding 1 kgf. The indenter is Knoop elongated diamond pyramid. The procedure for testing is very similar to that of the standard Vickers hardness test, except that it is done on a microscopic scale with higher precision ... Read More
china latest news about What is Vickers Hardness Test?

What is Vickers Hardness Test?

[2017-02-14 15:27:57]
The Vickers hardness test method consists of indenting the test material with a diamond indenter, in the form of a right pyramid with a square base and an angle of 136 degrees between opposite faces subjected to a load of 1 to 100 kgf. The full load is normally applied for 10 to 15 seconds. The two ... Read More
china latest news about Operation Video Sample Fixture Polishing by iqualitrol MP-1T

Operation Video Sample Fixture Polishing by iqualitrol MP-1T

[2024-10-29 16:20:53]
Touch screen single disc metallographic sample grinding and polishing machine Model: MP-1T Technical Data Download: iqualitrol Grinding and Polishing Machine MP-1T Product overview: iqualitrol MP-1T metallographic sample grinding and polishing machine adopts a high-end touch screen, which can make ... Read More
china latest news about What is Metallographic?

What is Metallographic?

[2017-02-21 14:59:45]
What is Metallographic? Metallography is the study of the microstructure of all types of metallic alloys. It can be more precisely defined as the scientific discipline of observing and determining the chemical and atomic structure and spatial distribution of the constituents, inclusions or phases in ... Read More
china latest news about The 28th China International Exhibition on Quality Control & Testing Equipment

The 28th China International Exhibition on Quality Control & Testing Equipment

[2024-08-13 10:36:05]
The 28th China International Exhibition on Quality Control & Testing Equipment The annual QC CHINA is currently the largest, oldest and most extensive brand exhibition in China's industrial testing industry. The exhibition mainly exhibits non-destructive testing technology and equipment, physical ... Read More
china latest news about LT-441PUR hot melt glue double-head dispensing machine

LT-441PUR hot melt glue double-head dispensing machine

[2024-10-28 14:32:00]
iqualitrol LT-441PUR hot melt glue double-head dispensing machine with maximum speed 400 mm/s Features: 1. The three-axis dispensing machine has a desktop design and a small space occupied by the placeholder, which is suitable for batch assembly and dispensing operations. 2. The maximum speed is 400 ... Read More
china latest news about Minimum Specimen Thickness for Brinell Test

Minimum Specimen Thickness for Brinell Test

[2017-02-14 11:20:04]
Minimum Specimen Thickness for Brinell Test The thickness of the specimen tested shall be such that no bulge or other marking showing the effect of the test force appears on the side of the piece opposite the indentation. The thickness of the material under test should be at least ten times the ... Read More
china latest news about Maintenance for the Centrifuge Machine

Maintenance for the Centrifuge Machine

[2024-06-29 09:13:09]
Maintenance for the Centrifuge Machine Ensure your centrifuge receives the proper care and maintenance so it provides reliable results, is safe to use and works for a long time. Regularly perform these checks: Education: Make sure that everyone who uses the centrifuge machine knows how to use it. ... Read More
china latest news about What is Brinell Hardness Scales ?

What is Brinell Hardness Scales ?

[2017-02-14 10:57:19]
Brinell Hardness Scale is the combinations of indenters and test forces. The standard Brinell hardness scales and test forces are given in below table, corresponding to force-diameter ratios of 1, 1.25, 2.5, 5, 10 and 30. Brinell hardness values should be determined and reported in accordance with ... Read More
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