Our factory can produce high quality silica gel, yellow color change to white without cobalt. Size:1-3mm,2-5mm..4-6mm

Our factory produced non-cobalt  silica gel for many year to meet abroad demands.

Our size range is: 1-3mm, 2-5mm, 3-5mm, 4-6mm..

It's color can change from yellow  to green  or white after absorbing the moistures.