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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 Bolt Stress Gauge ST-100

Bolt Stress Gauge ST-100

[2026-03-27 09:03:38]
Electromagnetic Acoustic Transducer Double Wave Bolt Stress Gauge ST-100 Brief Introduction: The iqualitrol ST-100 bolt stress gauge adopts EMAT dual-wave technology to measure the in-situ axial force of bolt in service without knowing the original length of each bolt. There is no need to smear ... Read More
china latest news about Air Pressure of Salt Spray Test Chamber

Air Pressure of Salt Spray Test Chamber

[2026-03-27 08:31:06]
R, Saturation barrel, manually refill water: tap water or purified water, require clean. S, Machine cover supporting frames::Support cover use. T, Water inlet: saturated barrels and test chamber heating water from this port automatically supply, require clean water free of impurities, the water ... Read More
china latest news about Grinding and Polishing Machine iPol-302AC

Grinding and Polishing Machine iPol-302AC

[2026-03-26 11:43:19]
Super Automatic Grinding and Polishing Machine iPol-302AC with Touch Screen Controller Brief Introduction: The iqualitrol iPol-302AC is a touchscreen-controlled, single-point center-press, double-disc dual-control, automatic metallographic grinding and polishing machine. The double-disc dual-control ... Read More
china latest news about Corrosion Fatigue Fracture

Corrosion Fatigue Fracture

[2026-03-25 09:04:24]
Corrosion Fatigue Fracture A fracture of a metal component caused by the combined action of cyclic stress and a corrosive medium is called corrosion fatigue fracture. Compared with ordinary fatigue fracture (caused only by cyclic stress), a corrosive environment weakens the material through chemical ... Read More
china latest news about Surface Hardness Test Method of Thermal Spray Coating

Surface Hardness Test Method of Thermal Spray Coating

[2024-09-29 08:27:39]
Surface Hardness Test Method of Thermal Spray Coating When the thickness of thermal spray coating is thin, such as the thickness of spray coating is less than 0.15 mm, the Vickers and Knoop microhardness test of metal coating and other related coatings (GB 9790-88) can be referred to. When the ... Read More
china latest news about Automatic Flash Point Tester SYD-261D

Automatic Flash Point Tester SYD-261D

[2026-03-24 09:11:47]
Automatic Flash Point Tester SYD-261D ASTM D93 PMCC Closed Cup Test Equipment Flash Point Meter Product Description: The iqualitrol SYD-261D is designed and manufactured as per standards GB/T 261-2008 Determination of Flash Point - Pensky-Martens closed cup method and ASTM D93 Standard Test Method ... Read More
china latest news about An Explanation of the Echo-to-Echo Measurement Technique

An Explanation of the Echo-to-Echo Measurement Technique

[2024-09-26 20:21:20]
An Explanation of the Echo-to-Echo Measurement Technique Introduction: The ultrasonic echo-to-echo technique utilizes gates set around two consecutive backwall echoes and measures the difference between them. This difference negates the coating thickness and returns just the part thickness. The echo... Read More
china latest news about Portable Vibration Meter iKV-3000B

Portable Vibration Meter iKV-3000B

[2026-03-24 08:39:52]
Fast Fourier Transform Integrated Portable Vibration Meter iKV-3000B Brief Introduction: Vibration meters measure the velocity and acceleration of industrial machinery by observing its vibration. These meters are used for shock and pulsation checks and preventive maintenance. They evaluate equipment ... Read More
china latest news about Leeb Hardness Tester iLeeb-3000C

Leeb Hardness Tester iLeeb-3000C

[2026-03-23 10:08:17]
Portable Integrated Leeb Hardness Tester iLeeb-3000C with Built-in Printer Brief Introduction: The iqualitrol iLeeb-3000C features a 2.8-inch large LCD display, a built-in 1500mAh lithium-ion rechargeable battery, and a charging control circuit, with no memory effect, convenient charging, and long ... Read More
china latest news about Ultrasonic Method to Measure Thickness

Ultrasonic Method to Measure Thickness

[2024-07-03 09:17:05]
Ultrasonic Method to Measure Thickness ultrasonic instruments with a graphical LCD illustrate substrate roughness by displaying wide "peaks" when the substrate is rough and narrow "peaks" when it is smooth. This type of display helps in measuring coating systems in which the number of layers is ... Read More
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