Fused Silica, Silica Gel, Silicon Metal manufacturer / supplier in China, offering Medical Grade Columnar Silica Gel Desiccant Used for Silica Gel Canister 1g, 2g, 3G, DMF Free Swab Antigen Test Kit Desiccant Packet, Blue to Pink Silica Gel Desiccant as Indicator for The Extent of Dehumidification and Moisture Adsorption and so on.