Our main products are column chromatography silica gel, silica gel type A, silica gel type B, silica gel type C, silica gel with color changing, silica gel cat litter and other silica gel products. Our price is very competitive and favorable.Should any of these items be of interest to you, please let us know, We will be happy to give you more details.If you have any interest in our products, it’s my pleasure to offer news to your regular.Best regardsLily Tel: 0086-532-83802079 Mob: 008613730913170Fax: 0086-532-85898338