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We are committed to providing high-quality, reliable, and professional services to our clients.
We have obtained ISO9001 Quality Management System certification.
We specialize in the production and sales of humidity indicator cards, desiccants.
Our engineering team excels in tackling complex and high-difficulty custom projects.
We have established partnerships with over 600 listed companies, including renowned enterprises such as Huawei, BYD, and Apple.
Single-Spot Humidity Indicator Card (HIC) is a compact paper-based device specifically engineered to monitor...
view moreOur Dual-Spot Humidity Indicator Card (HIC) is a high-performance paper-based monitoring tool, specially designed to...
view moreOur 3-Spot Cobalt Humidity Indicator Card (HIC) is a precision paper-based device designed to monitor relative...
view moreOur Humidity Indicator Cards (HICs) are compact, cost-effective paper-based devices designed to monitor relative...
view moreOur humidity indicator card (HIC) is a compact, paper-based device designed to monitor relative humidity (RH) levels...
view moreThe Cobalt-containing Humidity Indicator Card (HIC305) is a compact, paper-based instrument designed to monitor and...
view moreThis 6-dot cobalt humidity indicator card is a precision paper-based humidity monitoring device, designed to...
view moreOur Cobalt-Free Humidity Indicator Card is a compact, paper-based instrument designed to monitor relative humidity...
view more18
Years of experience
10000
Square Meters
200
Design Variants
+8618998002771
Our products are widely used in electronic components, PCBs, automotive, food, pharmaceuticals, optical & optoelectronic products, aerospace, chemical industries, and more.
Contact usVisting our company online?
We have factory vr display, you can contact our staff to learn more about our production qualification and equipment conditions
PROCESS
Select a project
Weiyi has obtained ISO9001 Quality Management System Certification and SGS testing approval.
Project Analysis
Our factory covers an area of over 10,000 square meters, with a daily production capacity of 1 million humidity indicator cards.
Deliver Sample
We offer more than 200 design variants of humidity cards to meet diverse customer needs.
Order comform
Clients with special customization requirements are welcome to contact us.
FEATURES CASE
Humidity Indicator Card
Single-Spot Humidity Indicator Card (HIC) is a compact paper-based device specifically engineered to monitor relative humidity (RH) levels in sealed environments.
Desiccant
This active mineral desiccant is made of attapulgite through activation treatment. Its moisture absorption capacity at high temperature is better than that of montmorillonite.
Moisture Proof Bag
This four-layer composite pure aluminum foil bag features excellent vacuum retention, high toughness, anti-static performance, waterproof and moisture-proof properties.
Feb 20, 2026
Humidity Indicator Card MaintenanceA humidity indicator card is a practical tool that monitors relative humidity i...
read more >Feb 19, 2026
How To Store Humidity Indicator Cards After Use?If humidity indicator cards are to be reused or stored long-term after use, mea...
read more >Feb 18, 2026
What Is The Shelf Life Of Humidity Indicator Cards?The shelf life of humidity indicator cards is typically 12 months, but can be e...
read more >Feb 17, 2026
Manufacturing Process Of Humidity Indicator CardsThe manufacturing process of humidity indicator cards involves several key steps.
read more >Feb 16, 2026
Uses Of Humidity Indicator CardsA humidity indicator card is a convenient tool for monitoring the relative humi...
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