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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 Semi-automatic Impact Tester XBZ-300A

Semi-automatic Impact Tester XBZ-300A

[2025-10-31 05:38:58]
Semi-automatic Impact Tester XBZ-300A Brief Introduction: XBZ-300A semi-automatic impact tester is used to measure the impact resistance of metal materials under dynamic load, so as to judge the properties of materials under dynamic load. The absorption energy of the sample is obtained by the way ... Read More
china latest news about Manual Metallographic Cutting Machine HQG-100

Manual Metallographic Cutting Machine HQG-100

[2025-10-31 05:28:36]
Manual Metallographic Cutting Machine HQG-100 Brief Introduction: In the process of metallographic specimen preparation, cutting the specimen is the first important step. The iqualitrol HQG-100 cutting machine can be used to cut general metallographic and petrographic materials. To ensure that ... Read More
china latest news about Automatic Metallographic Cutting Machine HQGZ-150XYZ

Automatic Metallographic Cutting Machine HQGZ-150XYZ

[2025-10-30 08:27:40]
Vertical Automatic Metallographic Cutting Machine HQGZ-150XYZ for Large Specimens Brief Introduction: The iqualitrol HQGZ-150XYZ is a vertical fully automatic metallographic cutting machine, featuring a spacious cutting chamber, excellent visibility, and powerful cutting capability. The cutting ... Read More
china latest news about Advantages and Disadvantages of Electropolishing

Advantages and Disadvantages of Electropolishing

[2024-07-28 09:37:57]
Advantages and Disadvantages of Electropolishing Advantages of electropolishing: 1. Electropolishing can process parts and products with complex shapes and small size, and the surface roughness is good. 2. The polishing time is short and the production efficiency is high. 3. The surface roughness ... Read More
china latest news about Advantages of Metallographic Cutting Machine

Advantages of Metallographic Cutting Machine

[2024-07-27 10:50:32]
Advantages of Metallographic Cutting Machine When cutting the samples with a qualified metallographic cutting machine, a smooth surface conducive to fine grinding can be formed. Usually the cutting speed is fast and the efficiency is high. Of course, the selection of grinding wheel, lubrication, ... Read More
china latest news about Automatic Metallographic Cutting Machine HQGZ-200XYZ

Automatic Metallographic Cutting Machine HQGZ-200XYZ

[2025-10-29 07:52:40]
Vertical Fully Automatic Metallographic Cutting Machine HQGZ-200XYZ Brief Introduction: The iqualitrol HQGZ-200XYZ is a vertical fully automatic metallographic cutting machine, featuring a spacious cutting chamber, excellent visibility, and powerful cutting capability. The cutting process is fully ... Read More
china latest news about Faults Alarm of Temperature and Humidity Test Chamber

Faults Alarm of Temperature and Humidity Test Chamber

[2024-07-26 09:35:58]
Faults Alarm of Temperature and Humidity Test Chamber Today we will discuss the reasons why the constant temperature and humidity test chamber alarms during operation. Most of the equipment alarms are caused by improper operation. There are reasons: refrigeration system, temperature system and ... Read More
china latest news about Correct Selection Test Force of Vickers Hardness Testing

Correct Selection Test Force of Vickers Hardness Testing

[2024-07-23 18:02:46]
Selection Correct Test Force of Vickers Hardness Testing The force selection criteria of Vickers hardness tester include the following points: 1. Test requirements: Select the force value of Vickers hardness tester according to the test requirements. If the hardness layer to be tested is deeper, a ... Read More
china latest news about Automatic Cutting Machine HQGZ-350SY

Automatic Cutting Machine HQGZ-350SY

[2025-10-27 09:11:47]
Water Cooling Automatic Cutting Machine HQGZ-350SY with Observation Window LED Illumination Brief Introduction: The iqualitrol HQGZ-350SY automatic cutting machine was controlled by PLC and touch screen, offering very high reliability and powerful control capabilities. HQGZ-350SY can not only cut ... Read More
china latest news about PG-2DA Metallographic Polishing Machine

PG-2DA Metallographic Polishing Machine

[2025-10-24 08:32:31]
Stepless Speed PG-2DA Metallographic Polishing Machine with Water Cooling System Brief Introduction: In the preparation of metallographic specimens, polishing is a major procedure. A specimen that has been ground can achieve a mirror-like surface after being polished on a polishing machine. The ... Read More
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