Calcium Chloride Desiccant, Humidity Indicator Card, Silica Gel Desiccant manufacturer / supplier in China, offering Reversible 30%-60% 4 Dots Cobalt Dichloride Free Humidity Indicator Cards (blue to pink), 3G Ethylene Absorber in Tyvek Sachet for Banana Fresh-Keeping Preservation, 10g Medical Grade Bentonite Clay Desiccant in Dupond Continous Sachet Rolls Compatible with Dispenser and so on.