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, Silica Gel Desiccant with Aihua Paper (0.5g/1g/2g/3G/10g) and so on.