Four Cobalt Free Humidity Indicator Card

Four Cobalt Free Humidity Indicator Card

Keep the humidity card in the original packaging tin, and put the desiccant, then please change the desiccant after the opening of the 3 humidity card tin can. Keep in a dry, cool environment; Humidity CARDS avoid direct sunlight and flooding.

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Custom Playing Cards.PNG



Chunwang Environmental Protection Technology Co., Ltd


Widely used in Printed Circuit Board,PCB,LED SMD,IC,wooden toys, stuffed toys,electronic packaging,optical equipment,electronic equipment packaging,electronic products,optical components,military products,metal products,organic materials,synthetic material,protective packaging, moisture sensitive components packing...

Established in 1998, Chunwang is well-known as one of the leading manufacturers and suppliers of four cobalt free humidity indicator card in China. During the past two years, we have introduced advanced equipment and technology into our factory. Please be free to buy our cheap products made in China.
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