type A silica gel, type B silica gel , type C Lumpy silica gel, type C spheric silica gel, Cat sand, Pressure swing adsorption silica gel, Colour silica gel, Blue colour silica gel, Small packing desiccant and so on. Thare are 10 varieties and about over 40 specifications with "Dayang" Brand silica gel. The quality and quantity of her products has reached highest level in China. The quality of product is reliable and has won the praise as well as the confidence of her clients.