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We have more than 50 authorized patents and more than 100 patents are under application.
Quality And Production
Device Upgrade
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Raw Material Upgrade​​​​​​​
Independently Developed​​​​​​​




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We are the only laboratory in the industry that has obtained CNAS national laboratory accreditation.
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How To Dehumidify Shipping Containers (Complete Guide)

Shipping containers are crucial for transporting goods, but moisture is a major challenge. High humidity can cause mold, mildew, and rust, damaging your cargo. In this guide, we’ll show you how to dehumidify shipping containers. You’ll learn about methods like desiccants​, dehumidifiers, and insulation. These solutions will keep your cargo safe and dry. Learn more about our products at Topcod, designed to provide reliable moisture control and protect your valuable goods.

20 March 2026
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Are All Desiccants Hazardous Material?

Desiccants are vital for preventing moisture damage in industries like electronics and pharmaceuticals. But are all desiccants hazardous? While desiccants are essential for preserving product integrity, some may pose safety risks. In this article, we will explore the different types of desiccants and their safety profiles.You’ll learn about non-toxic and hazardous desiccants, plus how to use them safely. We will also discuss the best practices for disposal. Learn more about our products at Topcod, designed for safe moisture control.

22 March 2026
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What Is Cobalt-Chloride Free HIC? A Complete Guide To Safe Humidity Monitoring

In today’s global supply chain, controlling moisture during storage and transportation has become more important than ever. Whether it is electronics, pharmaceuticals, machinery, or sensitive packaging materials, excessive humidity can lead to corrosion, mold growth, product degradation, and significant financial losses. This is where humidity indicator cards (HICs) play a crucial role. However, as environmental and safety regulations become stricter, traditional cobalt chloride-based HICs are being replaced by safer alternatives. From our experience working with customers across various industries, one of the most frequently asked questions is: what exactly is a cobalt chloride free HIC, and why is it becoming the preferred choice?

24 March 2026
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Topcod Industry hopes to cooperate with customers all over the world for mutual developments and benefits for win-win business.

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 Email: tp@topcod.com.cn
 Tel: +86-757-2339-5985
Address: No.6, Pai Sha Industrial Road, Pai Sha Community, Longjiang Town, Shunde District, Foshan City, Guangdong Province, China
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