Latest News

Freezing load testing test packages for refrigeration performance testing

Freezing Load Testing in Refrigeration: Global Standards, Test Methods, and Test Package Differences Explained

Freezing load testing is a critical process in evaluating the real-world performance of refrigeration appliances. One key challenge for manufacturers, laboratories, and certification bodies is that there is no single global standard. Different regions—including Europe, North America, and Australia/New Zealand—adopt different testing standards, procedures, and test package specifications. Understanding these ...
thermal shock testing chambers including two zone and three zone thermal shock chamber for industrial and laboratory applications

Thermal Shock Testing: Principles, Standards, and Chamber Selection Guide

What Is Thermal Shock Testing? Thermal shock testing is an environmental testing method used to evaluate how materials, components, and finished products respond to sudden and extreme temperature changes. Unlike gradual temperature variation, thermal shock testing exposes a sample to rapid transitions between high and low temperatures, creating intense thermal ...
IEC endurance testing equipment for switches, appliance doors and cord reels

Endurance Testing Equipment for Electrical Appliances: IEC Compliant Solutions for Reliable Performance

In today’s global marketplace, product reliability is a critical requirement—not only for end users, but also for regulatory compliance and brand reputation. For manufacturers, testing laboratories, and certification bodies, endurance testing is a fundamental process used to verify whether electrical components can withstand repeated operation over time without failure. From ...
IPX1 IPX2 IPX3 IPX4 waterproof testing equipment including drip test apparatus and oscillating tube chamber

IPX1 to IPX4 Waterproof Testing Explained: Differences, Methods, and Equipment Guide

In modern product design, waterproof performance is no longer optional—it is a critical requirement for electronics, automotive components, lighting systems, and industrial equipment. To ensure consistent and standardized evaluation, manufacturers rely on the internationally recognized standard IEC 60529, which defines ingress protection (IP) ratings. Among these, IPX1 to IPX4 represent ...
Environmental test chamber including temperature humidity chamber and thermal shock chamber for reliability testing

Environmental Testing: Complete Guide to Methods, Standards, Equipment & Applications

What is Environmental Testing? Environmental testing refers to the process of evaluating how products, materials, or components perform under various environmental conditions such as temperature, humidity, vibration, and corrosion. It helps manufacturers verify reliability, durability, and safety before products are released to the market. In modern industries, environmental testing is ...
Mechanical testing equipment including tensile testing machine, compression tester and impact testing system

Mechanical Testing: Complete Guide to Methods, Standards, Applications & Best Practices

Mechanical testing is a fundamental process used to evaluate how materials and products behave under different types of forces. From raw material validation to finished product quality control, mechanical testing ensures strength, durability, safety, and compliance across industries such as automotive, electronics, construction, and manufacturing. What is Mechanical Testing? Mechanical ...

SHENZHEN BONAD INSTRUMENT CO., LTD.
(HONG KONG BONAD TECHNOLOGY LIMITED)

We specialize in the high quality of: electronic safety tester, accessibility test probe and test finger, laboratory test equipment and test Chamber, waterproof test equipment, environmental test Equipment, freezing test package, all kinds of gauge and sensor and so on.

We have gathered lots of experienced researchers and administrators on this field. All products are manufactured strictly in accordance with various EN, IEC, CE, UL, VDE, VS, JIS, ISO, CEE, BS, FMV, GB and other similar international standards.

Group photo of company employees and customers

Our Customers

Scroll to Top