Calcium Chloride Desiccant, Humidity Indicator Card, Silica Gel Desiccant manufacturer / supplier in China, offering ESD Transparent Black PE Conductive Grid Bag Flat Pouch for Electronic Components Packing, ESD Aluminum Foil Laminates for Sensitive Components Moisture-Control Packaging, 3 Dots 40%-50%-60% Blue to Pink Humidity Indicator Pie Card Disc with Plug and so on.