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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
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[2025-11-04 08:47:26]
Auto Focus Video Microscope iVM-500 Application: Incoming inspection, production inspection, material research, PCB and SMT inspection analysis, printing, textile inspection, biological anatomy, medical testing and other fields. Product Features: Integral design, exquisite, fashion, generous; Built... Read More
china latest news about Calibration Steps for Rockwell Hardness Tester

Calibration Steps for Rockwell Hardness Tester

[2024-07-30 12:09:48]
Calibration Steps for Rockwell Hardness Tester Calibration of Rockwell hardness tester is an important part to ensure the accuracy of test results. The following are the steps and methods for calibration: 1. Preparation: Select a suitable standard block for calibration according to the requirements ... Read More
china latest news about Feed Speed 3mm/s Automatic Cutting Machine HQGZ-300SY

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[2025-11-04 08:23:03]
Feed Speed 3mm/s Automatic Cutting Machine HQGZ-300SY with Water Cooling LED Illumination HQGZ-300SY was controlled by PLC and touch screen, offering very high reliability and powerful control capabilities. cut circular workpieces with diameter max 80mm, rectangular samples height * width 80*300mm. ... Read More
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[2025-11-03 08:24:38]
Gravity Feed Low Speed 1500rpm Precision Cutting Machine HQG-200B with Cutting Capacity 50mm Brief Introduction: The iqualitrol HQG-200B low-speed precision cutting machine is suitable for cutting small, soft, brittle, and irregularly shaped materials such as metals, composite materials, plastics, ... Read More
china latest news about Calibration Steps for iqualitrol iVick-484ST

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[2024-07-29 12:25:07]
Calibration Steps for iqualitrol Vickers Hardness Tester iVick-484ST Click the URL to get video: iqualitrol Vickers Hardness Tester Calibration This Calibration Video is suitable follows models: Read More
china latest news about Differences Between Chemical Polishing and Mechanical Polishing

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[2024-07-29 09:39:39]
Differences Between Chemical Polishing and Mechanical Polishing Chemical polishing is essentially different from mechanical polishing Chemical polishing is the process of dissolving the tiny convexities on the surface to be polished first, improving the roughness of the metal surface and obtaining a ... Read More
china latest news about Semi-automatic Impact Tester XBZ-300A

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[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

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[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

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[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

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[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
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